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annotate libinterp/corefcn/regexp.cc @ 28961:d9d028b479ac

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doc: Use @code{} within alternate text for @xref,@pxref macros in libinterp/ * debug.cc, error.cc, qz.cc, regexp.cc, sub2ind.cc: Use @code{} within alternate text for @xref,@pxref macros.
author Rik <rik@octave.org>
date Mon, 19 Oct 2020 09:49:03 -0700
parents bd51beb6205e
children 10a35049bad7
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27923
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2002-2020 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include <list>
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31 #include <sstream>
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32
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33 #include <pcre.h>
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34
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35 #include "base-list.h"
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36 #include "oct-locbuf.h"
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37 #include "quit.h"
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38 #include "lo-regexp.h"
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39 #include "str-vec.h"
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40
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41 #include "defun.h"
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42 #include "Cell.h"
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43 #include "error.h"
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44 #include "errwarn.h"
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45 #include "oct-map.h"
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46 #include "ovl.h"
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47 #include "utils.h"
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48
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49 // Replace backslash escapes in a string with the real values. We need
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50 // two special functions instead of the one in utils.cc because the set
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51 // of escape sequences used for regexp patterns and replacement strings
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52 // is different from those used in the *printf functions.
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53
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54 static std::string
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55 do_regexp_ptn_string_escapes (const std::string& s, bool is_sq_str)
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56 {
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57 std::string retval;
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58
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59 size_t i = 0;
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60 size_t j = 0;
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61 size_t len = s.length ();
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62
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63 retval.resize (len+i);
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64
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65 while (j < len)
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66 {
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67 if (s[j] == '\\' && j+1 < len)
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68 {
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69 switch (s[++j])
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70 {
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71 case 'b': // backspace
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72 if (is_sq_str)
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73 retval[i] = '\b';
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74 else
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75 {
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76 // Pass escape sequence through
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77 retval[i] = '\\';
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78 retval[++i] = 'b';
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79 }
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80 break;
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81
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82 // Translate \< and \> to PCRE word boundary
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83 case '<': // begin word boundary
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84 case '>': // end word boundary
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85 retval[i] = '\\';
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86 retval[++i] = 'b';
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87 break;
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88
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89 case 'o': // octal input
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90 {
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91 bool bad_esc_seq = (j+1 >= len);
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92
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93 bool brace = false;
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94 if (! bad_esc_seq && s[++j] == '{')
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95 {
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96 brace = true;
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97 j++;
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98 }
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99
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100 int tmpi = 0;
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101 size_t k;
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102 for (k = j; k < std::min (j+3+brace, len); k++)
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103 {
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104 int digit = s[k] - '0';
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105 if (digit < 0 || digit > 7)
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106 break;
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107 tmpi <<= 3;
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108 tmpi += digit;
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109 }
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110 if (bad_esc_seq || (brace && s[k++] != '}'))
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111 {
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112 tmpi = 0;
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113 warning (R"(malformed octal escape sequence '\o' -- converting to '\0')");
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114 }
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115 retval[i] = tmpi;
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116 j = k - 1;
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117 break;
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118 }
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119
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120 default: // pass escape sequence through
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121 retval[i] = '\\';
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122 retval[++i] = s[j];
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123 break;
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124 }
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125 }
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126 else
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127 {
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128 retval[i] = s[j];
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129 }
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130
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131 i++;
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132 j++;
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133 }
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134
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135 retval.resize (i);
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136
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137 return retval;
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138 }
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092)
Rik <rik@octave.org>
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139
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092)
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diff changeset
140 static std::string
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diff changeset
141 do_regexp_rep_string_escapes (const std::string& s)
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diff changeset
142 {
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diff changeset
143 std::string retval;
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diff changeset
144
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092)
Rik <rik@octave.org>
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diff changeset
145 size_t i = 0;
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diff changeset
146 size_t j = 0;
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diff changeset
147 size_t len = s.length ();
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diff changeset
148
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diff changeset
149 retval.resize (len);
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diff changeset
150
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092)
Rik <rik@octave.org>
parents: 15195
diff changeset
151 while (j < len)
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diff changeset
152 {
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Rik <rik@octave.org>
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diff changeset
153 if (s[j] == '\\' && j+1 < len)
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diff changeset
154 {
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Rik <rik@octave.org>
parents: 15195
diff changeset
155 switch (s[++j])
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diff changeset
156 {
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Rik <rik@octave.org>
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diff changeset
157 case 'a': // alarm
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158 retval[i] = '\a';
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diff changeset
159 break;
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John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
160
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John W. Eaton <jwe@octave.org>
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diff changeset
161 case 'b': // backspace
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162 retval[i] = '\b';
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diff changeset
163 break;
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John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
164
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John W. Eaton <jwe@octave.org>
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165 case 'f': // formfeed
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166 retval[i] = '\f';
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diff changeset
167 break;
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diff changeset
168
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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169 case 'n': // newline
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170 retval[i] = '\n';
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171 break;
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diff changeset
172
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173 case 'r': // carriage return
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diff changeset
174 retval[i] = '\r';
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175 break;
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176
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John W. Eaton <jwe@octave.org>
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177 case 't': // horizontal tab
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178 retval[i] = '\t';
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179 break;
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diff changeset
180
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
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181 case 'v': // vertical tab
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John W. Eaton <jwe@octave.org>
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diff changeset
182 retval[i] = '\v';
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
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diff changeset
183 break;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
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diff changeset
184
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
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185 case '0':
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
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186 case '1':
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
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187 case '2':
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
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188 case '3':
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
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189 case '4':
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
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190 case '5':
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
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diff changeset
191 case '6':
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
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192 case '7': // octal input
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193 {
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
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194 size_t k;
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
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195 int tmpi = s[j] - '0';
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diff changeset
196 for (k = j+1; k < std::min (j+3, len); k++)
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
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diff changeset
197 {
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
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diff changeset
198 int digit = s[k] - '0';
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
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diff changeset
199 if (digit < 0 || digit > 7)
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
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diff changeset
200 break;
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
201 tmpi <<= 3;
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
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diff changeset
202 tmpi += digit;
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
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diff changeset
203 }
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
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diff changeset
204 retval[i] = tmpi;
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Rik <rik@octave.org>
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diff changeset
205 j = k - 1;
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
206 break;
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
207 }
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
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diff changeset
208
20211
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
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diff changeset
209 case 'o': // octal input
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
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diff changeset
210 {
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Rik <rik@octave.org>
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diff changeset
211 bool bad_esc_seq = (j+1 >= len);
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
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diff changeset
212
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
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diff changeset
213 bool brace = false;
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Rik <rik@octave.org>
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diff changeset
214 if (! bad_esc_seq && s[++j] == '{')
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
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diff changeset
215 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
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diff changeset
216 brace = true;
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Rik <rik@octave.org>
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diff changeset
217 j++;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
218 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
219
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
220 int tmpi = 0;
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Rik <rik@octave.org>
parents: 20172
diff changeset
221 size_t k;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
222 for (k = j; k < std::min (j+3+brace, len); k++)
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
223 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
224 int digit = s[k] - '0';
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
225 if (digit < 0 || digit > 7)
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
226 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
227 tmpi <<= 3;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
228 tmpi += digit;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
229 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
230 if (bad_esc_seq || (brace && s[k++] != '}'))
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
231 {
23804
8057d3f0673d Use C++11 raw string literals to avoid escaping backslashes in strings.
Rik <rik@octave.org>
parents: 23777
diff changeset
232 warning (R"(malformed octal escape sequence '\o' -- converting to '\0')");
20211
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
233 tmpi = 0;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
234 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
235 retval[i] = tmpi;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
236 j = k - 1;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
237 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
238 }
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
239
20211
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
240 case 'x': // hex input
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
241 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
242 bool bad_esc_seq = (j+1 >= len);
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
243
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
244 bool brace = false;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
245 if (! bad_esc_seq && s[++j] == '{')
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
246 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
247 brace = true;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
248 j++;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
249 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
250
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
251 int tmpi = 0;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
252 size_t k;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
253 for (k = j; k < std::min (j+2+brace, len); k++)
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
254 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
255 if (! isxdigit (s[k]))
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
256 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
257
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
258 tmpi <<= 4;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
259 int digit = s[k];
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
260 if (digit >= 'a')
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
261 tmpi += digit - 'a' + 10;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
262 else if (digit >= 'A')
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
263 tmpi += digit - 'A' + 10;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
264 else
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
265 tmpi += digit - '0';
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
266 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
267 if (bad_esc_seq || (brace && s[k++] != '}'))
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
268 {
23804
8057d3f0673d Use C++11 raw string literals to avoid escaping backslashes in strings.
Rik <rik@octave.org>
parents: 23777
diff changeset
269 warning (R"(malformed hex escape sequence '\x' -- converting to '\0')");
20211
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
270 tmpi = 0;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
271 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
272 retval[i] = tmpi;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
273 j = k - 1;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
274 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
275 }
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
276
20290
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
277 // Both dollar sign (for capture buffer) and backslash are
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
278 // passed through with their escape backslash. The processing
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
279 // for these must occur during the actual replacement operation
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280 // in lo-regexp.cc.
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diff changeset
281 case '$': // pass dollar sign through with escape
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diff changeset
282 retval[i] = '\\'; retval[++i] = '$';
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parents: 20232
diff changeset
283 break;
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parents: 20232
diff changeset
284
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parents: 20232
diff changeset
285 case '\\': // pass backslash through with escape
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diff changeset
286 retval[i] = '\\'; retval[++i] = '\\';
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parents: 20232
diff changeset
287 break;
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parents: 20232
diff changeset
288
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diff changeset
289 default: // convert escaped character to unescaped char
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diff changeset
290 retval[i] = s[j];
14543
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diff changeset
291 break;
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parents: 14536
diff changeset
292 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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parents: 14536
diff changeset
293 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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parents: 14536
diff changeset
294 else
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parents: 14536
diff changeset
295 {
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diff changeset
296 retval[i] = s[j];
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diff changeset
297 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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parents: 14536
diff changeset
298
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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diff changeset
299 i++;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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diff changeset
300 j++;
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parents: 14536
diff changeset
301 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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parents: 14536
diff changeset
302
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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diff changeset
303 retval.resize (i);
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diff changeset
304
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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diff changeset
305 return retval;
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parents: 14536
diff changeset
306 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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diff changeset
307
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diff changeset
308 static void
22333
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diff changeset
309 parse_options (octave::regexp::opts& options, const octave_value_list& args,
14024
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diff changeset
310 const std::string& who, int skip, bool& extra_args)
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diff changeset
311 {
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diff changeset
312 extra_args = false;
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diff changeset
313
20819
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314 for (int i = skip; i < args.length (); i++)
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parents:
diff changeset
315 {
19403
03067dab10ca Use stricter input validation when looking for a string as input (bug #42651).
Rik <rik@octave.org>
parents: 17861
diff changeset
316 std::string str;
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diff changeset
317
20700
68e3a747ca02 rename octave_value value extractors that accept error message args
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diff changeset
318 str = args(i).xstring_value ("%s: optional arguments must be strings", who.c_str ());
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diff changeset
319
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diff changeset
320 std::transform (str.begin (), str.end (), str.begin (), tolower);
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diff changeset
321
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diff changeset
322 if (str.find ("once", 0) == 0)
14024
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diff changeset
323 options.once (true);
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diff changeset
324 else if (str.find ("matchcase", 0) == 0)
14024
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diff changeset
325 options.case_insensitive (false);
13227
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diff changeset
326 else if (str.find ("ignorecase", 0) == 0)
14024
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diff changeset
327 options.case_insensitive (true);
13227
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diff changeset
328 else if (str.find ("dotall", 0) == 0)
14024
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parents: 13929
diff changeset
329 options.dotexceptnewline (false);
13227
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diff changeset
330 else if (str.find ("stringanchors", 0) == 0)
14024
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diff changeset
331 options.lineanchors (false);
13227
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diff changeset
332 else if (str.find ("literalspacing", 0) == 0)
14024
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parents: 13929
diff changeset
333 options.freespacing (false);
14536
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
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parents: 14501
diff changeset
334 else if (str.find ("noemptymatch", 0) == 0)
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
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diff changeset
335 options.emptymatch (false);
13227
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diff changeset
336 else if (str.find ("dotexceptnewline", 0) == 0)
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diff changeset
337 options.dotexceptnewline (true);
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diff changeset
338 else if (str.find ("lineanchors", 0) == 0)
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diff changeset
339 options.lineanchors (true);
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diff changeset
340 else if (str.find ("freespacing", 0) == 0)
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diff changeset
341 options.freespacing (true);
14536
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parents: 14501
diff changeset
342 else if (str.find ("emptymatch", 0) == 0)
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parents: 14501
diff changeset
343 options.emptymatch (true);
14024
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diff changeset
344 else if (str.find ("start", 0) == 0
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diff changeset
345 || str.find ("end", 0) == 0
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diff changeset
346 || str.find ("tokenextents", 0) == 0
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parents: 13929
diff changeset
347 || str.find ("match", 0) == 0
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parents: 13929
diff changeset
348 || str.find ("tokens", 0) == 0
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parents: 13929
diff changeset
349 || str.find ("names", 0) == 0
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diff changeset
350 || str.find ("split", 0) == 0)
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parents: 13929
diff changeset
351 extra_args = true;
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parents: 13929
diff changeset
352 else
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
353 error ("%s: unrecognized option", who.c_str ());
5582
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jwe
parents:
diff changeset
354 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
355 }
5582
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jwe
parents:
diff changeset
356
5785
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dbateman
parents: 5779
diff changeset
357 static octave_value_list
23433
c9fab0bc983e maint: Use convention 'int& x' for naming references.
Rik <rik@octave.org>
parents: 23220
diff changeset
358 octregexp (const octave_value_list& args, int nargout,
c9fab0bc983e maint: Use convention 'int& x' for naming references.
Rik <rik@octave.org>
parents: 23220
diff changeset
359 const std::string& who, bool case_insensitive = false)
5785
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dbateman
parents: 5779
diff changeset
360 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
361 octave_value_list retval;
14024
fc9f204faea0 refactor regexp (bug #34440)
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parents: 13929
diff changeset
362
13227
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diff changeset
363 int nargin = args.length ();
14024
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John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
364
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
365 // Make sure we have string, pattern
fc9f204faea0 refactor regexp (bug #34440)
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diff changeset
366 const std::string buffer = args(0).string_value ();
fc9f204faea0 refactor regexp (bug #34440)
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parents: 13929
diff changeset
367
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
368 std::string pattern = args(1).string_value ();
20558
1a0a433c8263 eliminate more simple uses of error_state
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parents: 20290
diff changeset
369
22722
e6fac42c8d56 Fix regexp handling of beginning/end word match for double-quoted pattern strings (bug #49451).
Rik <rik@octave.org>
parents: 22599
diff changeset
370 // Rewrite pattern for PCRE
e6fac42c8d56 Fix regexp handling of beginning/end word match for double-quoted pattern strings (bug #49451).
Rik <rik@octave.org>
parents: 22599
diff changeset
371 pattern = do_regexp_ptn_string_escapes (pattern, args(1).is_sq_string ());
13227
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parents: 12642
diff changeset
372
22333
2758af148ced move base_list and regexp classes to octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
373 octave::regexp::opts options;
14024
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John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
374 options.case_insensitive (case_insensitive);
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
375 bool extra_options = false;
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
376 parse_options (options, args, who, 2, extra_options);
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
377
25342
416856765a55 be more careful with using auto in place of explicit const iterator decls
John W. Eaton <jwe@octave.org>
parents: 25337
diff changeset
378 const octave::regexp::match_data rx_lst
22333
2758af148ced move base_list and regexp classes to octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
379 = octave::regexp::match (pattern, buffer, options, who);
14024
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parents: 13929
diff changeset
380
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
381 string_vector named_pats = rx_lst.named_patterns ();
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
382
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
383 size_t sz = rx_lst.size ();
5785
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dbateman
parents: 5779
diff changeset
384
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
385 // Converted the linked list in the correct form for the return values
12464
dfeea9cae79e require PCRE to build Octave
John W. Eaton <jwe@octave.org>
parents: 12462
diff changeset
386
23019
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
387 octave_map nmap (dim_vector ((sz == 0 ? 0 : 1), sz), named_pats);
13227
9559417aa965 maint: regexp.cc style fixes
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parents: 12642
diff changeset
388
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
389 retval.resize (7);
13227
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John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
390
23019
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
391 if (sz != 0)
20558
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John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
392 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
393 for (int j = 0; j < named_pats.numel (); j++)
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
394 {
23019
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
395 Cell ctmp (dim_vector (1, sz));
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
396 octave_idx_type i = 0;
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
397
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22755
diff changeset
398 for (const auto& match_data : rx_lst)
13310
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
399 {
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22755
diff changeset
400 string_vector named_tokens = match_data.named_tokens ();
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
401
23019
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
402 ctmp(i++) = named_tokens(j);
13310
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
403 }
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
404
23019
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
405 nmap.assign (named_pats(j), ctmp);
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
406 }
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
407 }
23019
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
408 retval(5) = nmap;
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
409
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
410 if (options.once ())
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
411 {
25337
3ff9192b676e use auto keyword to declare iterator variables where possible
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
412 auto p = rx_lst.begin ();
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
413
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23433
diff changeset
414 retval(4) = (sz ? p->tokens () : Cell ());
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23433
diff changeset
415 retval(3) = (sz ? p->match_string () : "");
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23433
diff changeset
416 retval(2) = (sz ? p->token_extents () : Matrix ());
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
417
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
418 if (sz)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
419 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
420 double start = p->start ();
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
421 double end = p->end ();
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
422
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
423 Cell split (dim_vector (1, 2));
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
424 split(0) = buffer.substr (0, start-1);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
425 split(1) = buffer.substr (end);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
426
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
427 retval(6) = split;
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
428 retval(1) = end;
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
429 retval(0) = start;
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
430 }
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
431 else
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
432 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
433 retval(6) = buffer;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
434 retval(1) = Matrix ();
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
435 retval(0) = Matrix ();
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
436 }
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
437 }
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
438 else
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
439 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
440 Cell tokens (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
441 Cell match_string (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
442 Cell token_extents (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
443 NDArray end (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
444 NDArray start (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
445 Cell split (dim_vector (1, sz+1));
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
446 size_t sp_start = 0;
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
447
23019
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
448 octave_idx_type i = 0;
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22755
diff changeset
449 for (const auto& match_data : rx_lst)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
450 {
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22755
diff changeset
451 double s = match_data.start ();
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22755
diff changeset
452 double e = match_data.end ();
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
453
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22755
diff changeset
454 string_vector tmp = match_data.tokens ();
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
455 tokens(i) = Cell (dim_vector (1, tmp.numel ()), tmp);
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22755
diff changeset
456 match_string(i) = match_data.match_string ();
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22755
diff changeset
457 token_extents(i) = match_data.token_extents ();
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
458 end(i) = e;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
459 start(i) = s;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
460 split(i) = buffer.substr (sp_start, s-sp_start-1);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
461 sp_start = e;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
462 i++;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
463 }
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
464
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
465 split(i) = buffer.substr (sp_start);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
466
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
467 retval(6) = split;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
468 retval(4) = tokens;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
469 retval(3) = match_string;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
470 retval(2) = token_extents;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
471 retval(1) = end;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
472 retval(0) = start;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
473 }
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
474
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
475 // Alter the order of the output arguments
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
476
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
477 if (extra_options)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
478 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
479 int n = 0;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
480 octave_value_list new_retval;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
481 new_retval.resize (nargout);
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
482
26476
54ad1294ed70 regexp.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
483 bool arg_used[7] {};
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
484
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
485 for (int j = 2; j < nargin; j++)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
486 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
487 int k = 0;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
488 std::string str = args(j).string_value ();
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
489 std::transform (str.begin (), str.end (), str.begin (), tolower);
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
490
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
491 if (str.find ("once", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
492 || str.find ("stringanchors", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
493 || str.find ("lineanchors", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
494 || str.find ("matchcase", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
495 || str.find ("ignorecase", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
496 || str.find ("dotall", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
497 || str.find ("dotexceptnewline", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
498 || str.find ("literalspacing", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
499 || str.find ("freespacing", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
500 || str.find ("noemptymatch", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
501 || str.find ("emptymatch", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
502 continue;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
503 else if (str.find ("start", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
504 k = 0;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
505 else if (str.find ("end", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
506 k = 1;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
507 else if (str.find ("tokenextents", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
508 k = 2;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
509 else if (str.find ("match", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
510 k = 3;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
511 else if (str.find ("tokens", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
512 k = 4;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
513 else if (str.find ("names", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
514 k = 5;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
515 else if (str.find ("split", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
516 k = 6;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
517
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
518 new_retval(n++) = retval(k);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
519 arg_used[k] = true;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
520
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
521 if (n == nargout)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
522 break;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
523 }
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
524
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
525 // Fill in the rest of the arguments
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
526 if (n < nargout)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
527 {
23769
fdce2b73f5ce regexp.cc: Correctly size temporary buffer to avoid segfault when re-arranging outputs.
Rik <rik@octave.org>
parents: 23219
diff changeset
528 for (int j = 0; j < 7; j++)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
529 {
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
530 if (! arg_used[j])
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
531 new_retval(n++) = retval(j);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
532 }
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
533 }
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
534
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
535 retval = new_retval;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
536 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
537
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
538 return retval;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
539 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
540
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
541 static octave_value_list
23433
c9fab0bc983e maint: Use convention 'int& x' for naming references.
Rik <rik@octave.org>
parents: 23220
diff changeset
542 octcellregexp (const octave_value_list& args, int nargout,
c9fab0bc983e maint: Use convention 'int& x' for naming references.
Rik <rik@octave.org>
parents: 23220
diff changeset
543 const std::string& who, bool case_insensitive = false)
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
544 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
545 octave_value_list retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
546
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
547 if (args(0).iscell ())
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
548 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
549 OCTAVE_LOCAL_BUFFER (Cell, newretval, nargout);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
550 octave_value_list new_args = args;
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
551 Cell cellstr = args(0).cell_value ();
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
552 if (args(1).iscell ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
553 {
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
554 Cell cellpat = args(1).cell_value ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
555
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
556 if (cellpat.numel () == 1)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
557 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
558 for (int j = 0; j < nargout; j++)
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
559 newretval[j].resize (cellstr.dims ());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
560
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
561 new_args(1) = cellpat(0);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
562
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
563 for (octave_idx_type i = 0; i < cellstr.numel (); i++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
564 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
565 new_args(0) = cellstr(i);
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
566 octave_value_list tmp = octregexp (new_args, nargout, who,
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
567 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
568
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
569 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
570 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
571 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
572 }
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
573 else if (cellstr.numel () == 1)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
574 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
575 for (int j = 0; j < nargout; j++)
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
576 newretval[j].resize (cellpat.dims ());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
577
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
578 new_args(0) = cellstr(0);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
579
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
580 for (octave_idx_type i = 0; i < cellpat.numel (); i++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
581 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
582 new_args(1) = cellpat(i);
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
583 octave_value_list tmp = octregexp (new_args, nargout, who,
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
584 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
585
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
586 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
587 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
588 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
589 }
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
590 else if (cellstr.numel () == cellpat.numel ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
591 {
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
592 if (cellstr.dims () != cellpat.dims ())
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
593 error ("%s: inconsistent cell array dimensions", who.c_str ());
21055
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
594
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
595 for (int j = 0; j < nargout; j++)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
596 newretval[j].resize (cellstr.dims ());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
597
21055
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
598 for (octave_idx_type i = 0; i < cellstr.numel (); i++)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
599 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
600 new_args(0) = cellstr(i);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
601 new_args(1) = cellpat(i);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
602
21055
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
603 octave_value_list tmp = octregexp (new_args, nargout, who,
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
604 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
605
21055
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
606 for (int j = 0; j < nargout; j++)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
607 newretval[j](i) = tmp(j);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
608 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
609 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
610 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
611 error ("regexp: cell array arguments must be scalar or equal size");
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
612 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
613 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
614 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
615 for (int j = 0; j < nargout; j++)
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
616 newretval[j].resize (cellstr.dims ());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
617
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
618 for (octave_idx_type i = 0; i < cellstr.numel (); i++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
619 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
620 new_args(0) = cellstr(i);
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
621 octave_value_list tmp = octregexp (new_args, nargout, who,
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
622 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
623
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
624 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
625 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
626 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
627 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
628
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
629 for (int j = 0; j < nargout; j++)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
630 retval(j) = octave_value (newretval[j]);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
631 }
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
632 else if (args(1).iscell ())
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
633 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
634 OCTAVE_LOCAL_BUFFER (Cell, newretval, nargout);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
635 octave_value_list new_args = args;
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
636 Cell cellpat = args(1).cell_value ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
637
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
638 for (int j = 0; j < nargout; j++)
14854
5ae9f0f77635 maint: Use Octave coding conventions for coddling parenthis is DLD-FUNCTIONS directory
Rik <octave@nomad.inbox5.com>
parents: 14846
diff changeset
639 newretval[j].resize (cellpat.dims ());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
640
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
641 for (octave_idx_type i = 0; i < cellpat.numel (); i++)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
642 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
643 new_args(1) = cellpat(i);
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
644 octave_value_list tmp = octregexp (new_args, nargout, who,
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
645 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
646
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
647 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
648 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
649 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
650
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
651 for (int j = 0; j < nargout; j++)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
652 retval(j) = octave_value (newretval[j]);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
653 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
654 else
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
655 retval = octregexp (args, nargout, who, case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
656
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
657 return retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
658
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
659 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
660
15039
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14854
diff changeset
661 DEFUN (regexp, args, nargout,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
662 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
663 @deftypefn {} {[@var{s}, @var{e}, @var{te}, @var{m}, @var{t}, @var{nm}, @var{sp}] =} regexp (@var{str}, @var{pat})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
664 @deftypefnx {} {[@dots{}] =} regexp (@var{str}, @var{pat}, "@var{opt1}", @dots{})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
665 Regular expression string matching.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
666
27537
7dc31256c5e4 Document that regexp* functions need UTF-8 encoded input (bug #35910).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27278
diff changeset
667 Search for @var{pat} in UTF-8 encoded @var{str} and return the positions and
7dc31256c5e4 Document that regexp* functions need UTF-8 encoded input (bug #35910).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27278
diff changeset
668 substrings of any matches, or empty values if there are none.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
669
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
670 The matched pattern @var{pat} can include any of the standard regex
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
671 operators, including:
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
672
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
673 @table @code
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
674 @item .
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
675 Match any character
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
676
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
677 @item * + ? @{@}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
678 Repetition operators, representing
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
679
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
680 @table @code
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
681 @item *
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
682 Match zero or more times
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
683
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
684 @item +
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
685 Match one or more times
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
686
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
687 @item ?
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
688 Match zero or one times
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
689
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
690 @item @{@var{n}@}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
691 Match exactly @var{n} times
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
692
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
693 @item @{@var{n},@}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
694 Match @var{n} or more times
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
695
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
696 @item @{@var{m},@var{n}@}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
697 Match between @var{m} and @var{n} times
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
698 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
699
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
700 @item [@dots{}] [^@dots{}]
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
701
22299
9fc91bb2aec3 doc: grammarcheck documentation for 4.2 release.
Rik <rik@octave.org>
parents: 22197
diff changeset
702 List operators. The pattern will match any character listed between
9fc91bb2aec3 doc: grammarcheck documentation for 4.2 release.
Rik <rik@octave.org>
parents: 22197
diff changeset
703 @qcode{"["} and @qcode{"]"}. If the first character is @qcode{"^"} then the
9fc91bb2aec3 doc: grammarcheck documentation for 4.2 release.
Rik <rik@octave.org>
parents: 22197
diff changeset
704 pattern is inverted and any character except those listed between brackets
9fc91bb2aec3 doc: grammarcheck documentation for 4.2 release.
Rik <rik@octave.org>
parents: 22197
diff changeset
705 will match.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
706
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
707 Escape sequences defined below can also be used inside list operators. For
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
708 example, a template for a floating point number might be @code{[-+.\d]+}.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
709
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
710 @item () (?:)
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
711 Grouping operator. The first form, parentheses only, also creates a token.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
712
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
713 @item |
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
714 Alternation operator. Match one of a choice of regular expressions. The
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
715 alternatives must be delimited by the grouping operator @code{()} above.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
716
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
717 @item ^ $
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
718 Anchoring operators. Requires pattern to occur at the start (@code{^}) or
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
719 end (@code{$}) of the string.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
720 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
721
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
722 In addition, the following escaped characters have special meaning.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
723
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
724 @table @code
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
725
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
726 @item \d
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
727 Match any digit
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
728
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
729 @item \D
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
730 Match any non-digit
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
731
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
732 @item \s
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
733 Match any whitespace character
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
734
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
735 @item \S
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
736 Match any non-whitespace character
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
737
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
738 @item \w
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
739 Match any word character
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
740
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
741 @item \W
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
742 Match any non-word character
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
743
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
744 @item \<
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
745 Match the beginning of a word
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
746
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
747 @item \>
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
748 Match the end of a word
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
749
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
750 @item \B
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
751 Match within a word
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
752 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
753
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
754 Implementation Note: For compatibility with @sc{matlab}, escape sequences
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
755 in @var{pat} (e.g., @qcode{"@xbackslashchar{}n"} => newline) are expanded
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
756 even when @var{pat} has been defined with single quotes. To disable
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
757 expansion use a second backslash before the escape sequence (e.g.,
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
758 "@xbackslashchar{}@xbackslashchar{}n") or use the @code{regexptranslate}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
759 function.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
760
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
761 The outputs of @code{regexp} default to the order given below
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
762
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
763 @table @var
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
764 @item s
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
765 The start indices of each matching substring
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
766
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
767 @item e
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
768 The end indices of each matching substring
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
769
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
770 @item te
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
771 The extents of each matched token surrounded by @code{(@dots{})} in
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
772 @var{pat}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
773
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
774 @item m
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
775 A cell array of the text of each match
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
776
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
777 @item t
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
778 A cell array of the text of each token matched
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
779
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
780 @item nm
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
781 A structure containing the text of each matched named token, with the name
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
782 being used as the fieldname. A named token is denoted by
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
783 @code{(?<name>@dots{})}.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
784
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
785 @item sp
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
786 A cell array of the text not returned by match, i.e., what remains if you
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
787 split the string based on @var{pat}.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
788 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
789
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
790 Particular output arguments, or the order of the output arguments, can be
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
791 selected by additional @var{opt} arguments. These are strings and the
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
792 correspondence between the output arguments and the optional argument
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
793 are
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
794
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
795 @multitable @columnfractions 0.2 0.3 0.3 0.2
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
796 @item @tab @qcode{'start'} @tab @var{s} @tab
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
797 @item @tab @qcode{'end'} @tab @var{e} @tab
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
798 @item @tab @qcode{'tokenExtents'} @tab @var{te} @tab
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
799 @item @tab @qcode{'match'} @tab @var{m} @tab
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
800 @item @tab @qcode{'tokens'} @tab @var{t} @tab
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
801 @item @tab @qcode{'names'} @tab @var{nm} @tab
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
802 @item @tab @qcode{'split'} @tab @var{sp} @tab
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
803 @end multitable
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
804
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
805 Additional arguments are summarized below.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
806
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
807 @table @samp
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
808 @item once
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
809 Return only the first occurrence of the pattern.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
810
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
811 @item matchcase
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
812 Make the matching case sensitive. (default)
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
813
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
814 Alternatively, use (?-i) in the pattern.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
815
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
816 @item ignorecase
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
817 Ignore case when matching the pattern to the string.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
818
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
819 Alternatively, use (?i) in the pattern.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
820
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
821 @item stringanchors
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
822 Match the anchor characters at the beginning and end of the string.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
823 (default)
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
824
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
825 Alternatively, use (?-m) in the pattern.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
826
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
827 @item lineanchors
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
828 Match the anchor characters at the beginning and end of the line.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
829
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
830 Alternatively, use (?m) in the pattern.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
831
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
832 @item dotall
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
833 The pattern @code{.} matches all characters including the newline character.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
834 (default)
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
835
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
836 Alternatively, use (?s) in the pattern.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
837
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
838 @item dotexceptnewline
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
839 The pattern @code{.} matches all characters except the newline character.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
840
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
841 Alternatively, use (?-s) in the pattern.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
842
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
843 @item literalspacing
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
844 All characters in the pattern, including whitespace, are significant and are
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
845 used in pattern matching. (default)
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
846
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
847 Alternatively, use (?-x) in the pattern.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
848
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
849 @item freespacing
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
850 The pattern may include arbitrary whitespace and also comments beginning
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
851 with the character @samp{#}.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
852
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
853 Alternatively, use (?x) in the pattern.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
854
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
855 @item noemptymatch
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
856 Zero-length matches are not returned. (default)
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
857
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
858 @item emptymatch
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
859 Return zero-length matches.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
860
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
861 @code{regexp ('a', 'b*', 'emptymatch')} returns @code{[1 2]} because there
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
862 are zero or more @qcode{'b'} characters at positions 1 and end-of-string.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
863
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
864 @end table
24986
0b9e7fcaab91 doc: grammarcheck docstrings in C++ files ahead of 4.4 release.
Rik <rik@octave.org>
parents: 24751
diff changeset
865
23816
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
866 Stack Limitation Note: Pattern searches are done with a recursive function
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
867 which can overflow the program stack when there are a high number of matches.
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
868 For example,
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
869
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
870 @example
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
871 @code{regexp (repmat ('a', 1, 1e5), '(a)+')}
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
872 @end example
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
873
24986
0b9e7fcaab91 doc: grammarcheck docstrings in C++ files ahead of 4.4 release.
Rik <rik@octave.org>
parents: 24751
diff changeset
874 @noindent
23816
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
875 may lead to a segfault. As an alternative, consider constructing pattern
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
876 searches that reduce the number of matches (e.g., by creatively using set
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
877 complement), and then further processing the return variables (now reduced in
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
878 size) with successive @code{regexp} searches.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
879 @seealso{regexpi, strfind, regexprep}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
880 @end deftypefn */)
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
881 {
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
882 if (args.length () < 2)
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
883 print_usage ();
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
884
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
885 octave_value_list retval;
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20700
diff changeset
886
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
887 if (args(0).iscell () || args(1).iscell ())
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23433
diff changeset
888 retval = (octcellregexp (args, (nargout > 0 ? nargout : 1), "regexp"));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
889 else
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
890 retval = octregexp (args, nargout, "regexp");
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
891
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
892 return retval;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
893 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
894
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
895 /*
8140
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
896 ## PCRE_ERROR_MATCHLIMIT test
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
897 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
898 %! s = sprintf ('\t4\n0000\t-0.00\t-0.0000\t4\t-0.00\t-0.0000\t4\n0000\t-0.00\t-0.0000\t0\t-0.00\t-');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
899 %! ws = warning ("query");
8140
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
900 %! unwind_protect
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
901 %! warning ("off");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
902 %! regexp (s, '(\s*-*\d+[.]*\d*\s*)+\n');
8140
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
903 %! unwind_protect_cleanup
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
904 %! warning (ws);
8140
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
905 %! end_unwind_protect
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
906
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
907 ## segfault test
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
908 %!assert (regexp ("abcde", "."), [1,2,3,4,5])
13759
c4b6ea833fa5 Fix infinite loop with null patterns in regexp (Bug #34101, Bug #33258)
Rik <octave@nomad.inbox5.com>
parents: 13311
diff changeset
909 ## Infinite loop test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
910 %!assert (isempty (regexp ("abcde", "")))
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
911
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
912 ## Check that anchoring of pattern works correctly
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
913 %!assert (regexp ('abcabc', '^abc'), 1)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
914 %!assert (regexp ('abcabc', 'abc$'), 4)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
915 %!assert (regexp ('abcabc', '^abc$'), zeros (1,0))
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
916
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
917 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
918 %! [s, e, te, m, t] = regexp (' No Match ', 'f(.*)uck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
919 %! assert (s, zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
920 %! assert (e, zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
921 %! assert (te, cell (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
922 %! assert (m, cell (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
923 %! assert (t, cell (1,0));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
924
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
925 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
926 %! [s, e, te, m, t] = regexp (' FiRetrUck ', 'f(.*)uck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
927 %! assert (s, zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
928 %! assert (e, zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
929 %! assert (te, cell (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
930 %! assert (m, cell (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
931 %! assert (t, cell (1,0));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
932
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
933 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
934 %! [s, e, te, m, t] = regexp (' firetruck ', 'f(.*)uck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
935 %! assert (s, 2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
936 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
937 %! assert (te{1}, [3, 7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
938 %! assert (m{1}, 'firetruck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
939 %! assert (t{1}{1}, 'iretr');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
940
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
941 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
942 %! [s, e, te, m, t] = regexp ('short test string', '\w*r\w*');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
943 %! assert (s, [1, 12]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
944 %! assert (e, [5, 17]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
945 %! assert (size (te), [1, 2]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
946 %! assert (isempty (te{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
947 %! assert (isempty (te{2}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
948 %! assert (m{1}, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
949 %! assert (m{2}, 'string');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
950 %! assert (size (t), [1, 2]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
951 %! assert (isempty (t{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
952 %! assert (isempty (t{2}));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
953
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
954 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
955 %! [s, e, te, m, t] = regexp ('short test string', '\w*r\w*', 'once');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
956 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
957 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
958 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
959 %! assert (m, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
960 %! assert (isempty (t));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
961
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
962 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
963 %! [m, te, e, s, t] = regexp ('short test string', '\w*r\w*', 'once', 'match', 'tokenExtents', 'end', 'start', 'tokens');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
964 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
965 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
966 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
967 %! assert (m, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
968 %! assert (isempty (t));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
969
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
970 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
971 %! [s, e, te, m, t, nm] = regexp ('short test string', '(?<word1>\w*t)\s*(?<word2>\w*t)');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
972 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
973 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
974 %! assert (size (te), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
975 %! assert (te{1}, [1,5; 7,10]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
976 %! assert (m{1}, 'short test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
977 %! assert (size (t), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
978 %! assert (t{1}{1}, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
979 %! assert (t{1}{2}, 'test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
980 %! assert (size (nm), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
981 %! assert (! isempty (fieldnames (nm)));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
982 %! assert (sort (fieldnames (nm)), {'word1';'word2'});
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
983 %! assert (nm.word1, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
984 %! assert (nm.word2, 'test');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
985
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
986 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
987 %! [nm, m, te, e, s, t] = regexp ('short test string', '(?<word1>\w*t)\s*(?<word2>\w*t)', 'names', 'match', 'tokenExtents', 'end', 'start', 'tokens');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
988 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
989 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
990 %! assert (size (te), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
991 %! assert (te{1}, [1,5; 7,10]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
992 %! assert (m{1}, 'short test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
993 %! assert (size (t), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
994 %! assert (t{1}{1}, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
995 %! assert (t{1}{2}, 'test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
996 %! assert (size (nm), [1, 1]);
20955
77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents: 20940
diff changeset
997 %! assert (! isempty (fieldnames (nm)));
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
998 %! assert (sort (fieldnames (nm)), {'word1';'word2'});
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
999 %! assert (nm.word1, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1000 %! assert (nm.word2, 'test');
5619
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman]
dbateman
parents: 5582
diff changeset
1001
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1002 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1003 %! [t, nm] = regexp ("John Davis\nRogers, James", '(?<first>\w+)\s+(?<last>\w+)|(?<last>\w+),\s+(?<first>\w+)', 'tokens', 'names');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1004 %! assert (size (t), [1, 2]);
23019
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1005 %! assert (t{1}{1}, "John");
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1006 %! assert (t{1}{2}, "Davis");
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1007 %! assert (t{2}{1}, "Rogers");
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1008 %! assert (t{2}{2}, "James");
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1009 %! assert (size (nm), [1, 2]);
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1010 %! assert (nm(1).first, "John");
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1011 %! assert (nm(1).last, "Davis");
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1012 %! assert (nm(2).first, "James");
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1013 %! assert (nm(2).last, "Rogers");
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1014
24741
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1015 ## Tests for nulls in strings properly matching
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1016 %!test
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1017 %! str = "A\0B\0\0C";
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1018 %! ptn = '(\0+)'; # also test null in single-quote pattern
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1019 %! M = regexp (str, ptn, "match");
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1020 %! assert (size (M), [1, 2]);
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1021 %! assert (double (M{1}), [0]);
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1022 %! assert (double (M{2}), [0, 0]);
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1023
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1024 %!test
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1025 %! str = "A\0B\0\0C";
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1026 %! ptn = "(\0+)"; # also test null in double-quote pattern
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1027 %! T = regexp (str, ptn, "tokens");
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1028 %! assert (size (T), [1, 2]);
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1029 %! assert (double (T{1}{1}), [0]);
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1030 %! assert (double (T{2}{1}), [0, 0]);
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1031
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1032 %!test
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1033 %! str = "A\0B\0\0C";
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1034 %! ptn = '(?<namedtoken>\0+)';
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1035 %! NT = regexp (str, ptn, "names");
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1036 %! assert (size (NT), [1, 2]);
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1037 %! assert (double (NT(1).namedtoken), [0]);
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1038 %! assert (double (NT(2).namedtoken), [0, 0]);
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1039
14452
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683).
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1040 ## Tests for named tokens
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1041 %!test
17336
b81b9d079515 Use '##' for comments which stand alone on a line.
Rik <rik@octave.org>
parents: 17281
diff changeset
1042 %! ## Parenthesis in named token (ie (int)) causes a problem
24741
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1043 %! assert (regexp ('qwe int asd', ['(?<typestr>(int))'], 'names'),
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1044 %! struct ('typestr', 'int'));
10518
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
1045
23573
1b4f4ec53b4a use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents: 23572
diff changeset
1046 %!test <*35683>
22489
93ea313301f9 test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents: 22407
diff changeset
1047 %! ## Mix of named and unnamed tokens can cause segfault
14452
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683).
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1048 %! str = "abcde";
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683).
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1049 %! ptn = '(?<T1>a)(\w+)(?<T2>d\w+)';
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683).
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1050 %! tokens = regexp (str, ptn, "names");
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683).
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1051 %! assert (isstruct (tokens) && numel (tokens) == 1);
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683).
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1052 %! assert (tokens.T1, "a");
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683).
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1053 %! assert (tokens.T2, "de");
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683).
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1054
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1055 ## Test options to regexp
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1056 %!assert (regexp ("abc\nabc", '.'), [1:7])
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1057 %!assert (regexp ("abc\nabc", '.', 'dotall'), [1:7])
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1058 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1059 %! assert (regexp ("abc\nabc", '(?s).'), [1:7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1060 %! assert (regexp ("abc\nabc", '.', 'dotexceptnewline'), [1,2,3,5,6,7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1061 %! assert (regexp ("abc\nabc", '(?-s).'), [1,2,3,5,6,7]);
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1062
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1063 %!assert (regexp ("caseCaSe", 'case'), 1)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1064 %!assert (regexp ("caseCaSe", 'case', "matchcase"), 1)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1065 %!assert (regexp ("caseCaSe", 'case', "ignorecase"), [1,5])
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1066 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1067 %! assert (regexp ("caseCaSe", '(?-i)case'), 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1068 %! assert (regexp ("caseCaSe", '(?i)case'), [1, 5]);
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1069
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1070 %!assert (regexp ("abc\nabc", 'c$'), 7)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1071 %!assert (regexp ("abc\nabc", 'c$', "stringanchors"), 7)
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1072 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1073 %! assert (regexp ("abc\nabc", '(?-m)c$'), 7);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1074 %! assert (regexp ("abc\nabc", 'c$',"lineanchors"), [3, 7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1075 %! assert (regexp ("abc\nabc", '(?m)c$'), [3,7]);
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1076
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1077 %!assert (regexp ("this word", 's w'), 4)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1078 %!assert (regexp ("this word", 's w', 'literalspacing'), 4)
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1079 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1080 %! assert (regexp ("this word", '(?-x)s w', 'literalspacing'), 4);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1081 %! assert (regexp ("this word", 's w', 'freespacing'), zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1082 %! assert (regexp ("this word", '(?x)s w'), zeros (1,0));
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1083
14536
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1084 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1085 %! [s, e, te, m, t, nm, sp] = regexp ('OCTAVE', '[VOCT]*', 'noemptymatch');
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1086 %! assert (s, [1 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1087 %! assert (e, [3 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1088 %! assert (te, { zeros(0,2), zeros(0,2) });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1089 %! assert (m, { "OCT", "V" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1090 %! assert (t, { cell(1,0), cell(1,0) });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1091 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1092 %! assert (sp, { "", "A", "E" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1093
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1094 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1095 %! [s, e, te, m, t, nm, sp] = regexp ('OCTAVE', '([VOCT]*)', 'noemptymatch');
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1096 %! assert (s, [1 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1097 %! assert (e, [3 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1098 %! assert (te, { [1 3], [5 5] });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1099 %! assert (m, { "OCT", "V" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1100 %! assert (t, { {"OCT"}, {"V"} });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1101 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1102 %! assert (sp, { "", "A", "E" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1103
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1104 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1105 %! [s, e, te, m, t, nm, sp] = regexp ('OCTAVE', '[VOCT]*', 'emptymatch');
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1106 %! assert (s, [1 4 5 6 7]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1107 %! assert (e, [3 3 5 5 6]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1108 %! assert (te, repmat ({zeros(0,2)}, [1, 5]));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1109 %! assert (m, { "OCT", "", "V", "", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1110 %! assert (t, repmat({cell(1,0)}, [1, 5]));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1111 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1112 %! assert (sp, { "", "", "A", "", "E", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1113
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1114 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1115 %! [s, e, te, m, t, nm, sp] = regexp ('OCTAVE', '([VOCT]*)', 'emptymatch');
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1116 %! assert (s, [1 4 5 6 7]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1117 %! assert (e, [3 3 5 5 6]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1118 %! assert (te, { [1 3], [4 3], [5 5], [6 5], [7 6] });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1119 %! assert (m, { "OCT", "", "V", "", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1120 %! assert (t, { {"OCT"}, {""}, {"V"}, {""}, {""} });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1121 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1122 %! assert (sp, { "", "", "A", "", "E", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1123
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1124 %!assert (regexp ({'asdfg-dfd';'-dfd-dfd-';'qasfdfdaq'}, '-'), {6;[1,5,9];zeros(1,0)})
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1125 %!assert (regexp ({'asdfg-dfd';'-dfd-dfd-';'qasfdfdaq'}, {'-';'f';'q'}), {6;[3,7];[1,9]})
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1126 %!assert (regexp ('Strings', {'t','s'}), {2, 7})
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1127
8093
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
1128 ## Test case for lookaround operators
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1129 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1130 %! assert (regexp ('Iraq', 'q(?!u)'), 4);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1131 %! assert (regexp ('quit', 'q(?!u)'), zeros (1, 0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1132 %! assert (regexp ('quit', 'q(?=u)' , 'match'), {'q'});
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1133 %! assert (regexp ("quit", 'q(?=u+)', 'match'), {'q'});
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1134 %! assert (regexp ("qit", 'q(?=u+)', 'match'), cell (1, 0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1135 %! assert (regexp ("qit", 'q(?=u*)', 'match'), {'q'});
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1136 %! assert (regexp ('thingamabob', '(?<=a)b'), 9);
8093
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
1137
13310
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1138 ## Tests for split option.
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1139 %!shared str
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1140 %! str = "foo bar foo";
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1141 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1142 %! [a, b] = regexp (str, "f..", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1143 %! assert (a, {"foo", "foo"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1144 %! assert (b, {"", " bar ", ""});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1145 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1146 %! [a, b] = regexp (str, "f..", "match", "split", "once");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1147 %! assert (a, "foo");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1148 %! assert (b, {"", " bar foo"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1149 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1150 %! [a, b] = regexp (str, "fx.", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1151 %! assert (a, cell (1, 0));
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1152 %! assert (b, {"foo bar foo"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1153 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1154 %! [a, b] = regexp (str, "fx.", "match", "split", "once");
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1155 %! assert (a, "");;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1156 %! assert (b, "foo bar foo");
13310
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1157
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1158 %!shared str
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1159 %! str = "foo bar";
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1160 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1161 %! [a, b] = regexp (str, "f..", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1162 %! assert (a, {"foo"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1163 %! assert (b, {"", " bar"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1164 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1165 %! [a, b] = regexp (str, "b..", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1166 %! assert (a, {"bar"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1167 %! assert (b, {"foo ", ""});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1168 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1169 %! [a, b] = regexp (str, "x", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1170 %! assert (a, cell (1, 0));
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1171 %! assert (b, {"foo bar"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1172 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1173 %! [a, b] = regexp (str, "[o]+", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1174 %! assert (a, {"oo"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1175 %! assert (b, {"f", " bar"});
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
1176
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1177 ## Test escape sequences are expanded even in single-quoted strings
21317
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1178 %!assert (regexp ("\n", '\n'), 1)
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1179 %!assert (regexp ("\n", "\n"), 1)
20290
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
1180
22489
93ea313301f9 test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents: 22407
diff changeset
1181 # Test escape sequences are silently converted
23573
1b4f4ec53b4a use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents: 23572
diff changeset
1182 %!test <*45407>
20290
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
1183 %! assert (regexprep ('s', 's', 'x\.y'), 'x.y');
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
1184 %! assert (regexprep ('s', '(s)', 'x\$1y'), 'x$1y');
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
1185 %! assert (regexprep ('s', '(s)', 'x\\$1y'), 'x\sy');
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
1186
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1187 ## Test input validation
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1188 %!error regexp ('string', 'tri', 'BadArg')
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1189 %!error regexp ('string')
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1190
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1191 */
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1192
15039
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14854
diff changeset
1193 DEFUN (regexpi, args, nargout,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1194 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1195 @deftypefn {} {[@var{s}, @var{e}, @var{te}, @var{m}, @var{t}, @var{nm}, @var{sp}] =} regexpi (@var{str}, @var{pat})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1196 @deftypefnx {} {[@dots{}] =} regexpi (@var{str}, @var{pat}, "@var{opt1}", @dots{})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1197
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1198 Case insensitive regular expression string matching.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1199
27537
7dc31256c5e4 Document that regexp* functions need UTF-8 encoded input (bug #35910).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27278
diff changeset
1200 Search for @var{pat} in UTF-8 encoded @var{str} and return the positions and
7dc31256c5e4 Document that regexp* functions need UTF-8 encoded input (bug #35910).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27278
diff changeset
1201 substrings of any matches, or empty values if there are none.
28961
d9d028b479ac doc: Use @code{} within alternate text for @xref,@pxref macros in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
1202 @xref{XREFregexp,,@code{regexp}}, for details on the syntax of the search
d9d028b479ac doc: Use @code{} within alternate text for @xref,@pxref macros in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
1203 pattern.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1204 @seealso{regexp}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1205 @end deftypefn */)
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1206 {
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1207 if (args.length () < 2)
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1208 print_usage ();
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1209
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
1210 if (args(0).iscell () || args(1).iscell ())
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
1211 return octcellregexp (args, (nargout > 0 ? nargout : 1), "regexpi", true);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1212 else
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
1213 return octregexp (args, nargout, "regexpi", true);
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1214 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1215
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1216 /*
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1217 ## segfault test
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1218 %!assert (regexpi ("abcde", "."), [1,2,3,4,5])
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1219
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1220 ## Check that anchoring of pattern works correctly
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1221 %!assert (regexpi ('abcabc', '^ABC'), 1)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1222 %!assert (regexpi ('abcabc', 'ABC$'), 4)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1223 %!assert (regexpi ('abcabc', '^ABC$'), zeros (1,0))
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1224
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1225 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1226 %! [s, e, te, m, t] = regexpi (' No Match ', 'f(.*)uck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1227 %! assert (s, zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1228 %! assert (e, zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1229 %! assert (te, cell (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1230 %! assert (m, cell (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1231 %! assert (t, cell (1,0));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1232
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1233 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1234 %! [s, e, te, m, t] = regexpi (' FiRetrUck ', 'f(.*)uck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1235 %! assert (s, 2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1236 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1237 %! assert (te{1}, [3, 7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1238 %! assert (m{1}, 'FiRetrUck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1239 %! assert (t{1}{1}, 'iRetr');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1240
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1241 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1242 %! [s, e, te, m, t] = regexpi (' firetruck ', 'f(.*)uck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1243 %! assert (s, 2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1244 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1245 %! assert (te{1}, [3, 7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1246 %! assert (m{1}, 'firetruck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1247 %! assert (t{1}{1}, 'iretr');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1248
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1249 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1250 %! [s, e, te, m, t] = regexpi ('ShoRt Test String', '\w*r\w*');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1251 %! assert (s, [1, 12]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1252 %! assert (e, [5, 17]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1253 %! assert (size (te), [1, 2]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1254 %! assert (isempty (te{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1255 %! assert (isempty (te{2}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1256 %! assert (m{1}, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1257 %! assert (m{2}, 'String');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1258 %! assert (size (t), [1, 2]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1259 %! assert (isempty (t{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1260 %! assert (isempty (t{2}));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1261
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1262 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1263 %! [s, e, te, m, t] = regexpi ('ShoRt Test String', '\w*r\w*', 'once');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1264 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1265 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1266 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1267 %! assert (m, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1268 %! assert (isempty (t));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1269
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1270 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1271 %! [m, te, e, s, t] = regexpi ('ShoRt Test String', '\w*r\w*', 'once', 'match', 'tokenExtents', 'end', 'start', 'tokens');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1272 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1273 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1274 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1275 %! assert (m, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1276 %! assert (isempty (t));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1277
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1278 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1279 %! [s, e, te, m, t, nm] = regexpi ('ShoRt Test String', '(?<word1>\w*t)\s*(?<word2>\w*t)');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1280 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1281 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1282 %! assert (size (te), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1283 %! assert (te{1}, [1,5; 7,10]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1284 %! assert (m{1}, 'ShoRt Test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1285 %! assert (size (t), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1286 %! assert (t{1}{1}, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1287 %! assert (t{1}{2}, 'Test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1288 %! assert (size (nm), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1289 %! assert (! isempty (fieldnames (nm)));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1290 %! assert (sort (fieldnames (nm)), {'word1';'word2'});
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1291 %! assert (nm.word1, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1292 %! assert (nm.word2, 'Test');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1293
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1294 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1295 %! [nm, m, te, e, s, t] = regexpi ('ShoRt Test String', '(?<word1>\w*t)\s*(?<word2>\w*t)', 'names', 'match', 'tokenExtents', 'end', 'start', 'tokens');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1296 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1297 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1298 %! assert (size (te), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1299 %! assert (te{1}, [1,5; 7,10]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1300 %! assert (m{1}, 'ShoRt Test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1301 %! assert (size (t), [1, 1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1302 %! assert (t{1}{1}, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1303 %! assert (t{1}{2}, 'Test');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1304 %! assert (size (nm), [1, 1]);
20955
77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
Rik <rik@octave.org>
parents: 20940
diff changeset
1305 %! assert (! isempty (fieldnames (nm)));
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1306 %! assert (sort (fieldnames (nm)), {'word1';'word2'});
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1307 %! assert (nm.word1, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1308 %! assert (nm.word2, 'Test');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1309
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1310 %!assert (regexpi ("abc\nabc", '.'), [1:7])
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1311 %!assert (regexpi ("abc\nabc", '.', 'dotall'), [1:7])
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1312 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1313 %! assert (regexpi ("abc\nabc", '(?s).'), [1:7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1314 %! assert (regexpi ("abc\nabc", '.', 'dotexceptnewline'), [1,2,3,5,6,7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1315 %! assert (regexpi ("abc\nabc", '(?-s).'), [1,2,3,5,6,7]);
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1316
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1317 %!assert (regexpi ("caseCaSe", 'case'), [1, 5])
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1318 %!assert (regexpi ("caseCaSe", 'case', "matchcase"), 1)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1319 %!assert (regexpi ("caseCaSe", 'case', "ignorecase"), [1, 5])
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1320 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1321 %! assert (regexpi ("caseCaSe", '(?-i)case'), 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1322 %! assert (regexpi ("caseCaSe", '(?i)case'), [1, 5]);
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1323
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1324 %!assert (regexpi ("abc\nabc", 'C$'), 7)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1325 %!assert (regexpi ("abc\nabc", 'C$', "stringanchors"), 7)
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1326 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1327 %! assert (regexpi ("abc\nabc", '(?-m)C$'), 7);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1328 %! assert (regexpi ("abc\nabc", 'C$', "lineanchors"), [3, 7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1329 %! assert (regexpi ("abc\nabc", '(?m)C$'), [3, 7]);
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1330
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1331 %!assert (regexpi ("this word", 'S w'), 4)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1332 %!assert (regexpi ("this word", 'S w', 'literalspacing'), 4)
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1333 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1334 %! assert (regexpi ("this word", '(?-x)S w', 'literalspacing'), 4);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1335 %! assert (regexpi ("this word", 'S w', 'freespacing'), zeros (1,0));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1336 %! assert (regexpi ("this word", '(?x)S w'), zeros (1,0));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1337
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1338 %!error regexpi ('string', 'tri', 'BadArg')
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1339 %!error regexpi ('string')
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1340
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1341 %!assert (regexpi ({'asdfg-dfd';'-dfd-dfd-';'qasfdfdaq'}, '-'), {6;[1,5,9];zeros(1, 0)})
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1342 %!assert (regexpi ({'asdfg-dfd', '-dfd-dfd-', 'qasfdfdaq'}, '-'), {6, [1,5,9], zeros(1,0)})
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1343 %!assert (regexpi ({'asdfg-dfd';'-dfd-dfd-';'qasfdfdaq'}, {'-';'f';'q'}), {6;[3,7];[1,9]})
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1344 %!assert (regexpi ('Strings', {'t', 's'}), {2, [1, 7]})
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
1345
21317
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1346 %!assert (regexpi ("\n", '\n'), 1)
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1347 %!assert (regexpi ("\n", "\n"), 1)
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1348 */
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1349
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1350 static octave_value
23433
c9fab0bc983e maint: Use convention 'int& x' for naming references.
Rik <rik@octave.org>
parents: 23220
diff changeset
1351 octregexprep (const octave_value_list& args, const std::string& who)
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1352 {
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1353 int nargin = args.length ();
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1354
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1355 // Make sure we have string, pattern, replacement
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1356 const std::string buffer = args(0).string_value ();
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1357
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
1358 std::string pattern = args(1).string_value ();
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1359
22722
e6fac42c8d56 Fix regexp handling of beginning/end word match for double-quoted pattern strings (bug #49451).
Rik <rik@octave.org>
parents: 22599
diff changeset
1360 // Rewrite pattern for PCRE
e6fac42c8d56 Fix regexp handling of beginning/end word match for double-quoted pattern strings (bug #49451).
Rik <rik@octave.org>
parents: 22599
diff changeset
1361 pattern = do_regexp_ptn_string_escapes (pattern, args(1).is_sq_string ());
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1362
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
1363 std::string replacement = args(2).string_value ();
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1364
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
1365 // Matlab compatibility.
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
1366 if (args(2).is_sq_string ())
15541
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092)
Rik <rik@octave.org>
parents: 15195
diff changeset
1367 replacement = do_regexp_rep_string_escapes (replacement);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1368
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1369 // Pack options excluding 'tokenize' and various output
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1370 // reordering strings into regexp arg list
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1371 octave_value_list regexpargs (nargin-3, octave_value ());
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1372
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1373 int len = 0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1374 for (int i = 3; i < nargin; i++)
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1375 {
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1376 const std::string opt = args(i).string_value ();
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1377 if (opt != "tokenize" && opt != "start" && opt != "end"
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1378 && opt != "tokenextents" && opt != "match" && opt != "tokens"
13310
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1379 && opt != "names" && opt != "split" && opt != "warnings")
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1380 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1381 regexpargs(len++) = args(i);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1382 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1383 }
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1384 regexpargs.resize (len);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1385
22333
2758af148ced move base_list and regexp classes to octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1386 octave::regexp::opts options;
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1387 bool extra_args = false;
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1388 parse_options (options, regexpargs, who, 0, extra_args);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1389
22333
2758af148ced move base_list and regexp classes to octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1390 return octave::regexp::replace (pattern, buffer, replacement, options, who);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1391 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1392
15039
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14854
diff changeset
1393 DEFUN (regexprep, args, ,
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1394 doc: /* -*- texinfo -*-
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1395 @deftypefn {} {@var{outstr} =} regexprep (@var{string}, @var{pat}, @var{repstr})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1396 @deftypefnx {} {@var{outstr} =} regexprep (@var{string}, @var{pat}, @var{repstr}, "@var{opt1}", @dots{})
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1397 Replace occurrences of pattern @var{pat} in @var{string} with @var{repstr}.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1398
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1399 The pattern is a regular expression as documented for @code{regexp}.
28961
d9d028b479ac doc: Use @code{} within alternate text for @xref,@pxref macros in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
1400 @xref{XREFregexp,,@code{regexp}}.
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1401
27537
7dc31256c5e4 Document that regexp* functions need UTF-8 encoded input (bug #35910).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27278
diff changeset
1402 All strings must be UTF-8 encoded.
7dc31256c5e4 Document that regexp* functions need UTF-8 encoded input (bug #35910).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27278
diff changeset
1403
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1404 The replacement string may contain @code{$i}, which substitutes for the ith
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1405 set of parentheses in the match string. For example,
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1406
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1407 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1408 regexprep ("Bill Dunn", '(\w+) (\w+)', '$2, $1')
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1409 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1410
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1411 @noindent
22299
9fc91bb2aec3 doc: grammarcheck documentation for 4.2 release.
Rik <rik@octave.org>
parents: 22197
diff changeset
1412 returns @qcode{"Dunn, Bill"}
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1413
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1414 Options in addition to those of @code{regexp} are
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1415
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1416 @table @samp
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1417
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1418 @item once
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1419 Replace only the first occurrence of @var{pat} in the result.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1420
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1421 @item warnings
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1422 This option is present for compatibility but is ignored.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1423
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1424 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1425
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1426 Implementation Note: For compatibility with @sc{matlab}, escape sequences
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1427 in @var{pat} (e.g., @qcode{"@xbackslashchar{}n"} => newline) are expanded
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1428 even when @var{pat} has been defined with single quotes. To disable
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1429 expansion use a second backslash before the escape sequence (e.g.,
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1430 "@xbackslashchar{}@xbackslashchar{}n") or use the @code{regexptranslate}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1431 function.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1432 @seealso{regexp, regexpi, strrep}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1433 @end deftypefn */)
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1434 {
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1435 if (args.length () < 3)
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1436 print_usage ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1437
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1438 octave_value_list retval;
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1439
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
1440 if (args(0).iscell () || args(1).iscell () || args(2).iscell ())
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1441 {
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1442 Cell str, pat, rep;
6495
fd09c7e8c4c9 [project @ 2007-04-05 16:18:20 by dbateman]
dbateman
parents: 6361
diff changeset
1443 dim_vector dv0;
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1444 dim_vector dv1 (1, 1);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1445
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
1446 if (args(0).iscell ())
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1447 str = args(0).cell_value ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1448 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1449 str = Cell (args(0));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1450
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
1451 if (args(1).iscell ())
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1452 pat = args(1).cell_value ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1453 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1454 pat = Cell (args(1));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1455
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
1456 if (args(2).iscell ())
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1457 rep = args(2).cell_value ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1458 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1459 rep = Cell (args(2));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1460
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1461 dv0 = str.dims ();
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1462 if (pat.numel () != 1)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1463 {
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1464 dv1 = pat.dims ();
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1465 if (rep.numel () != 1 && dv1 != rep.dims ())
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1466 error ("regexprep: inconsistent cell array dimensions");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1467 }
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1468 else if (rep.numel () != 1)
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1469 dv1 = rep.dims ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1470
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1471 Cell ret (dv0);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1472 octave_value_list new_args = args;
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1473
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1474 for (octave_idx_type i = 0; i < dv0.numel (); i++)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1475 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1476 new_args(0) = str(i);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1477 if (pat.numel () == 1)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1478 new_args(1) = pat(0);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1479 if (rep.numel () == 1)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1480 new_args(2) = rep(0);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1481
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1482 for (octave_idx_type j = 0; j < dv1.numel (); j++)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1483 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1484 if (pat.numel () != 1)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1485 new_args(1) = pat(j);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1486 if (rep.numel () != 1)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1487 new_args(2) = rep(j);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1488 new_args(0) = octregexprep (new_args, "regexprep");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1489 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1490
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1491 ret(i) = new_args(0);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1492 }
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1493
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
1494 retval = (args(0).iscell () ? ovl (ret) : ovl (ret(0)));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1495 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1496 else
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1497 retval = octregexprep (args, "regexprep");
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1498
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1499 return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1500 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1501
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1502 /*
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1503 %!test # Replace with empty
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1504 %! xml = '<!-- This is some XML --> <tag v="hello">some stuff<!-- sample tag--></tag>';
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1505 %! t = regexprep (xml, '<[!?][^>]*>', '');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1506 %! assert (t, ' <tag v="hello">some stuff</tag>');
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1507
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1508 %!test # Replace with non-empty
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1509 %! xml = '<!-- This is some XML --> <tag v="hello">some stuff<!-- sample tag--></tag>';
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1510 %! t = regexprep (xml, '<[!?][^>]*>', '?');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1511 %! assert (t, '? <tag v="hello">some stuff?</tag>');
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1512
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1513 %!test # Check that 'tokenize' is ignored
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1514 %! xml = '<!-- This is some XML --> <tag v="hello">some stuff<!-- sample tag--></tag>';
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1515 %! t = regexprep (xml, '<[!?][^>]*>', '', 'tokenize');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1516 %! assert (t, ' <tag v="hello">some stuff</tag>');
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1517
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
1518 ## Test capture replacement
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1519 %!test
7242
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1520 %! data = "Bob Smith\nDavid Hollerith\nSam Jenkins";
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1521 %! result = "Smith, Bob\nHollerith, David\nJenkins, Sam";
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1522 %! t = regexprep (data, '(?m)^(\w+)\s+(\w+)$', '$2, $1');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1523 %! assert (t, result);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1524
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
1525 ## Return the original if no match
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1526 %!assert (regexprep ('hello', 'world', 'earth'), 'hello')
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1527
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1528 ## Test emptymatch option
14536
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1529 %!assert (regexprep ('World', '^', 'Hello '), 'World')
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1530 %!assert (regexprep ('World', '^', 'Hello ', 'emptymatch'), 'Hello World')
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1531
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1532 ## Test a general replacement
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1533 %!assert (regexprep ("a[b]c{d}e-f=g", "[^A-Za-z0-9_]", "_"), "a_b_c_d_e_f_g")
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1534
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1535 ## Make sure replacements work at the beginning and end of string
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1536 %!assert (regexprep ("a[b]c{d}e-f=g", "a", "_"), "_[b]c{d}e-f=g")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1537 %!assert (regexprep ("a[b]c{d}e-f=g", "g", "_"), "a[b]c{d}e-f=_")
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1538
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1539 ## Test options "once" and "ignorecase"
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1540 %!assert (regexprep ("a[b]c{d}e-f=g", "[^A-Za-z0-9_]", "_", "once"),
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1541 %! "a_b]c{d}e-f=g")
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1542 %!assert (regexprep ("a[b]c{d}e-f=g", "[^A-Z0-9_]", "_", "ignorecase"),
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1543 %! "a_b_c_d_e_f_g")
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1544
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1545 ## Option combinations
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1546 %!assert (regexprep ("a[b]c{d}e-f=g", "[^A-Z0-9_]", "_", "once", "ignorecase"),
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1547 %! "a_b]c{d}e-f=g")
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1548
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1549 ## End conditions on replacement
21317
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1550 %!assert (regexprep ("abc", "(b)", ".$1"), "a.bc")
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1551 %!assert (regexprep ("abc", "(b)", "$1"), "abc")
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1552 %!assert (regexprep ("abc", "(b)", "$1."), "ab.c")
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1553 %!assert (regexprep ("abc", "(b)", "$1.."), "ab..c")
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1554
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1555 ## Test cell array arguments
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1556 %!assert (regexprep ("abc", {"b","a"}, "?"), "??c")
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1557 %!assert (regexprep ({"abc","cba"}, "b", "?"), {"a?c","c?a"})
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1558 %!assert (regexprep ({"abc","cba"}, {"b","a"}, {"?","!"}), {"!?c","c?!"})
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1559
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1560 ## Nasty lookbehind expression
21575
bc9aa534bc29 maint: Clean up BIST tests so they don't produce warnings.
Rik <rik@octave.org>
parents: 21547
diff changeset
1561 %!test
bc9aa534bc29 maint: Clean up BIST tests so they don't produce warnings.
Rik <rik@octave.org>
parents: 21547
diff changeset
1562 %! warning ("off", "Octave:regexp-lookbehind-limit", "local");
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1563 %! assert (regexprep ('x^(-1)+y(-1)+z(-1)=0', '(?<=[a-z]+)\(\-[1-9]*\)',
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1564 %! '_minus1'),'x^(-1)+y_minus1+z_minus1=0');
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
1565
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1566 ## Verify escape sequences in pattern
21317
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1567 %!assert (regexprep ("\n", '\n', "X"), "X")
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1568 %!assert (regexprep ("\n", "\n", "X"), "X")
24606
4a4a8b2a5bf2 Test for incorrect regexprep on ARM platforms (bug #52810).
Colin Macdonald <cbm@m.fsf.org>
parents: 23816
diff changeset
1569
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1570 ## Verify NULLs in pattern and replacement string
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1571 %!assert (regexprep ("A\0A", "\0", ","), "A,A")
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1572 %!assert (regexprep ("A\0A", '\0', ","), "A,A")
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1573 %!assert (regexprep ("A,A", "A", "B\0B"), "B\0B,B\0B")
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1574 %!assert (regexprep ("A,A", "A", 'B\0B'), "B\0B,B\0B")
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1575
24606
4a4a8b2a5bf2 Test for incorrect regexprep on ARM platforms (bug #52810).
Colin Macdonald <cbm@m.fsf.org>
parents: 23816
diff changeset
1576 ## Empty matches were broken on ARM architecture
4a4a8b2a5bf2 Test for incorrect regexprep on ARM platforms (bug #52810).
Colin Macdonald <cbm@m.fsf.org>
parents: 23816
diff changeset
1577 %!test <*52810>
4a4a8b2a5bf2 Test for incorrect regexprep on ARM platforms (bug #52810).
Colin Macdonald <cbm@m.fsf.org>
parents: 23816
diff changeset
1578 %! assert (strcmp (regexprep ("\nabc", "^(\t*)(abc)$", "$1$2", "lineanchors"), "\nabc"))
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1579 */