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annotate libinterp/corefcn/regexp.cc @ 26476:54ad1294ed70 stable

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regexp.cc: Fix static analyzer detected issues (bug #55347). * regexp.cc (octregexp): Declare variable arg_used as type bool, not int.
author Rik <rik@octave.org>
date Sun, 06 Jan 2019 21:51:05 -0800
parents 00f796120a6d
children f8d380d04b01
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
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2
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3 Copyright (C) 2005-2019 David Bateman
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4 Copyright (C) 2002-2005 Paul Kienzle
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5
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
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6 This file is part of Octave.
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7
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8 Octave is free software: you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by
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10 the Free Software Foundation, either version 3 of the License, or
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11 (at your option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but
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14 WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <https://www.gnu.org/licenses/>.
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21
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
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22 */
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
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23
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24 #if defined (HAVE_CONFIG_H)
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25 # include "config.h"
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26 #endif
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27
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28 #include <list>
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29 #include <sstream>
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30
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31 #include <pcre.h>
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32
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33 #include "base-list.h"
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34 #include "oct-locbuf.h"
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35 #include "quit.h"
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36 #include "lo-regexp.h"
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37 #include "str-vec.h"
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38
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39 #include "defun.h"
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40 #include "Cell.h"
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41 #include "error.h"
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42 #include "errwarn.h"
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43 #include "oct-map.h"
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44 #include "ovl.h"
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45 #include "utils.h"
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46
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47 // Replace backslash escapes in a string with the real values. We need
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48 // two special functions instead of the one in utils.cc because the set
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49 // of escape sequences used for regexp patterns and replacement strings
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50 // is different from those used in the *printf functions.
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51
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52 static std::string
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53 do_regexp_ptn_string_escapes (const std::string& s, bool is_sq_str)
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54 {
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55 std::string retval;
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56
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57 size_t i = 0;
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58 size_t j = 0;
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59 size_t len = s.length ();
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60
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61 retval.resize (len);
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62
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63 while (j < len)
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64 {
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65 if (s[j] == '\\' && j+1 < len)
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66 {
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67 switch (s[++j])
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68 {
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69 case 'b': // backspace
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70 if (is_sq_str)
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71 retval[i] = '\b';
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72 else
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73 {
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74 // Pass escape sequence through
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75 retval[i] = '\\';
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76 retval[++i] = 'b';
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77 }
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78 break;
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79
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80 // Translate \< and \> to PCRE word boundary
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81 case '<': // begin word boundary
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82 case '>': // end word boundary
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83 retval[i] = '\\';
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84 retval[++i] = 'b';
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85 break;
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86
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87 case 'o': // octal input
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88 {
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89 bool bad_esc_seq = (j+1 >= len);
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90
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91 bool brace = false;
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92 if (! bad_esc_seq && s[++j] == '{')
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93 {
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94 brace = true;
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95 j++;
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96 }
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97
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98 int tmpi = 0;
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99 size_t k;
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100 for (k = j; k < std::min (j+3+brace, len); k++)
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101 {
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102 int digit = s[k] - '0';
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103 if (digit < 0 || digit > 7)
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104 break;
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105 tmpi <<= 3;
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106 tmpi += digit;
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107 }
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108 if (bad_esc_seq || (brace && s[k++] != '}'))
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109 {
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110 bad_esc_seq = true;
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111 tmpi = 0;
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112 warning (R"(malformed octal escape sequence '\o' -- converting to '\0')");
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113 }
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114 retval[i] = tmpi;
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115 j = k - 1;
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116 break;
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117 }
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118
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119 default: // pass escape sequence through
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120 retval[i] = '\\';
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121 retval[++i] = s[j];
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122 break;
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123 }
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124 }
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125 else
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126 {
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127 retval[i] = s[j];
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128 }
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129
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130 i++;
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131 j++;
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132 }
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133
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134 retval.resize (i);
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135
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136 return retval;
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137 }
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138
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diff changeset
139 static std::string
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diff changeset
140 do_regexp_rep_string_escapes (const std::string& s)
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141 {
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diff changeset
142 std::string retval;
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diff changeset
143
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diff changeset
144 size_t i = 0;
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diff changeset
145 size_t j = 0;
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diff changeset
146 size_t len = s.length ();
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diff changeset
147
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diff changeset
148 retval.resize (len);
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diff changeset
149
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diff changeset
150 while (j < len)
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diff changeset
151 {
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diff changeset
152 if (s[j] == '\\' && j+1 < len)
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diff changeset
153 {
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diff changeset
154 switch (s[++j])
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diff changeset
155 {
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diff changeset
156 case 'a': // alarm
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157 retval[i] = '\a';
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diff changeset
158 break;
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diff changeset
159
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diff changeset
160 case 'b': // backspace
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diff changeset
161 retval[i] = '\b';
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diff changeset
162 break;
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163
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164 case 'f': // formfeed
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165 retval[i] = '\f';
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166 break;
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diff changeset
167
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168 case 'n': // newline
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169 retval[i] = '\n';
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170 break;
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171
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172 case 'r': // carriage return
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173 retval[i] = '\r';
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174 break;
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175
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176 case 't': // horizontal tab
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177 retval[i] = '\t';
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178 break;
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179
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180 case 'v': // vertical tab
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diff changeset
181 retval[i] = '\v';
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182 break;
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183
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
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184 case '0':
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185 case '1':
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186 case '2':
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187 case '3':
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188 case '4':
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189 case '5':
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190 case '6':
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191 case '7': // octal input
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192 {
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193 size_t k;
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194 int tmpi = s[j] - '0';
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195 for (k = j+1; k < std::min (j+3, len); k++)
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196 {
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197 int digit = s[k] - '0';
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198 if (digit < 0 || digit > 7)
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199 break;
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200 tmpi <<= 3;
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201 tmpi += digit;
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202 }
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203 retval[i] = tmpi;
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204 j = k - 1;
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205 break;
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Rik <rik@octave.org>
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diff changeset
206 }
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
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207
20211
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208 case 'o': // octal input
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diff changeset
209 {
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diff changeset
210 bool bad_esc_seq = (j+1 >= len);
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diff changeset
211
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diff changeset
212 bool brace = false;
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diff changeset
213 if (! bad_esc_seq && s[++j] == '{')
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diff changeset
214 {
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diff changeset
215 brace = true;
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diff changeset
216 j++;
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diff changeset
217 }
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Rik <rik@octave.org>
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diff changeset
218
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Rik <rik@octave.org>
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diff changeset
219 int tmpi = 0;
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diff changeset
220 size_t k;
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diff changeset
221 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
222 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
223 int digit = s[k] - '0';
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
224 if (digit < 0 || digit > 7)
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
225 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
226 tmpi <<= 3;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
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diff changeset
227 tmpi += digit;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
228 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
229 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
230 {
23804
8057d3f0673d Use C++11 raw string literals to avoid escaping backslashes in strings.
Rik <rik@octave.org>
parents: 23777
diff changeset
231 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
232 tmpi = 0;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
233 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
234 retval[i] = tmpi;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
235 j = k - 1;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
236 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
237 }
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
238
20211
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
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diff changeset
239 case 'x': // hex input
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
240 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
241 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
242
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
243 bool brace = false;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
244 if (! bad_esc_seq && s[++j] == '{')
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
245 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
246 brace = true;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
247 j++;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
248 }
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 int tmpi = 0;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
251 size_t k;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
252 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
253 {
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
254 if (! isxdigit (s[k]))
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
255 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
256
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
257 tmpi <<= 4;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
258 int digit = s[k];
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
259 if (digit >= 'a')
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
260 tmpi += digit - 'a' + 10;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
261 else if (digit >= 'A')
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
262 tmpi += digit - 'A' + 10;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
263 else
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
264 tmpi += digit - '0';
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
265 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
266 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
267 {
23804
8057d3f0673d Use C++11 raw string literals to avoid escaping backslashes in strings.
Rik <rik@octave.org>
parents: 23777
diff changeset
268 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
269 tmpi = 0;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
270 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
271 retval[i] = tmpi;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
272 j = k - 1;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
273 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
274 }
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
275
20290
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
276 // 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
277 // 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
278 // for these must occur during the actual replacement operation
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
279 // in lo-regexp.cc.
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280 case '$': // pass dollar sign through with escape
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diff changeset
281 retval[i] = '\\'; retval[++i] = '$';
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diff changeset
282 break;
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parents: 20232
diff changeset
283
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
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parents: 20232
diff changeset
284 case '\\': // pass backslash through with escape
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diff changeset
285 retval[i] = '\\'; retval[++i] = '\\';
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parents: 20232
diff changeset
286 break;
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parents: 20232
diff changeset
287
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
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diff changeset
288 default: // convert escaped character to unescaped char
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diff changeset
289 retval[i] = s[j];
14543
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diff changeset
290 break;
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parents: 14536
diff changeset
291 }
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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 else
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parents: 14536
diff changeset
294 {
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diff changeset
295 retval[i] = s[j];
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parents: 14536
diff changeset
296 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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parents: 14536
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 i++;
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diff changeset
299 j++;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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diff changeset
300 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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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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diff changeset
302 retval.resize (i);
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diff changeset
303
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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diff changeset
304 return retval;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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parents: 14536
diff changeset
305 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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diff changeset
306
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diff changeset
307 static void
22333
2758af148ced move base_list and regexp classes to octave namespace
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parents: 22323
diff changeset
308 parse_options (octave::regexp::opts& options, const octave_value_list& args,
14024
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diff changeset
309 const std::string& who, int skip, bool& extra_args)
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diff changeset
310 {
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diff changeset
311 extra_args = false;
13227
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diff changeset
312
20819
f428cbe7576f eliminate unnecessary uses of nargin
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diff changeset
313 for (int i = skip; i < args.length (); i++)
5582
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parents:
diff changeset
314 {
19403
03067dab10ca Use stricter input validation when looking for a string as input (bug #42651).
Rik <rik@octave.org>
parents: 17861
diff changeset
315 std::string str;
13227
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diff changeset
316
20700
68e3a747ca02 rename octave_value value extractors that accept error message args
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parents: 20581
diff changeset
317 str = args(i).xstring_value ("%s: optional arguments must be strings", who.c_str ());
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diff changeset
318
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diff changeset
319 std::transform (str.begin (), str.end (), str.begin (), tolower);
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diff changeset
320
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parents: 12642
diff changeset
321 if (str.find ("once", 0) == 0)
14024
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diff changeset
322 options.once (true);
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diff changeset
323 else if (str.find ("matchcase", 0) == 0)
14024
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diff changeset
324 options.case_insensitive (false);
13227
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diff changeset
325 else if (str.find ("ignorecase", 0) == 0)
14024
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diff changeset
326 options.case_insensitive (true);
13227
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diff changeset
327 else if (str.find ("dotall", 0) == 0)
14024
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parents: 13929
diff changeset
328 options.dotexceptnewline (false);
13227
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diff changeset
329 else if (str.find ("stringanchors", 0) == 0)
14024
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diff changeset
330 options.lineanchors (false);
13227
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diff changeset
331 else if (str.find ("literalspacing", 0) == 0)
14024
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parents: 13929
diff changeset
332 options.freespacing (false);
14536
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
333 else if (str.find ("noemptymatch", 0) == 0)
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
334 options.emptymatch (false);
13227
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diff changeset
335 else if (str.find ("dotexceptnewline", 0) == 0)
14024
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parents: 13929
diff changeset
336 options.dotexceptnewline (true);
13227
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diff changeset
337 else if (str.find ("lineanchors", 0) == 0)
14024
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diff changeset
338 options.lineanchors (true);
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diff changeset
339 else if (str.find ("freespacing", 0) == 0)
14024
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diff changeset
340 options.freespacing (true);
14536
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
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parents: 14501
diff changeset
341 else if (str.find ("emptymatch", 0) == 0)
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
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parents: 14501
diff changeset
342 options.emptymatch (true);
14024
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parents: 13929
diff changeset
343 else if (str.find ("start", 0) == 0
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parents: 13929
diff changeset
344 || str.find ("end", 0) == 0
fc9f204faea0 refactor regexp (bug #34440)
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parents: 13929
diff changeset
345 || str.find ("tokenextents", 0) == 0
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parents: 13929
diff changeset
346 || str.find ("match", 0) == 0
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parents: 13929
diff changeset
347 || str.find ("tokens", 0) == 0
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parents: 13929
diff changeset
348 || str.find ("names", 0) == 0
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diff changeset
349 || str.find ("split", 0) == 0)
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parents: 13929
diff changeset
350 extra_args = true;
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parents: 13929
diff changeset
351 else
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
352 error ("%s: unrecognized option", who.c_str ());
5582
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jwe
parents:
diff changeset
353 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
354 }
5582
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jwe
parents:
diff changeset
355
5785
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dbateman
parents: 5779
diff changeset
356 static octave_value_list
23433
c9fab0bc983e maint: Use convention 'int& x' for naming references.
Rik <rik@octave.org>
parents: 23220
diff changeset
357 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
358 const std::string& who, bool case_insensitive = false)
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
359 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
360 octave_value_list retval;
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
361
13227
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diff changeset
362 int nargin = args.length ();
14024
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John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
363
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
364 // Make sure we have string, pattern
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
365 const std::string buffer = args(0).string_value ();
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
366
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
367 std::string pattern = args(1).string_value ();
20558
1a0a433c8263 eliminate more simple uses of error_state
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parents: 20290
diff changeset
368
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
369 // 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
370 pattern = do_regexp_ptn_string_escapes (pattern, args(1).is_sq_string ());
13227
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parents: 12642
diff changeset
371
22333
2758af148ced move base_list and regexp classes to octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
372 octave::regexp::opts options;
14024
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John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
373 options.case_insensitive (case_insensitive);
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
374 bool extra_options = false;
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
375 parse_options (options, args, who, 2, extra_options);
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
376
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
377 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
378 = octave::regexp::match (pattern, buffer, options, who);
14024
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John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
379
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
380 string_vector named_pats = rx_lst.named_patterns ();
fc9f204faea0 refactor regexp (bug #34440)
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parents: 13929
diff changeset
381
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
382 size_t sz = rx_lst.size ();
5785
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dbateman
parents: 5779
diff changeset
383
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
384 // 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
385
23019
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
386 octave_map nmap (dim_vector ((sz == 0 ? 0 : 1), sz), named_pats);
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
387
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
388 retval.resize (7);
13227
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John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
389
23019
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
390 if (sz != 0)
20558
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John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
391 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
392 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
393 {
23019
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
394 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
395 octave_idx_type i = 0;
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
396
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22755
diff changeset
397 for (const auto& match_data : rx_lst)
13310
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
398 {
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22755
diff changeset
399 string_vector named_tokens = match_data.named_tokens ();
14024
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John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
400
23019
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
401 ctmp(i++) = named_tokens(j);
13310
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
402 }
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
403
23019
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
404 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
405 }
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
406 }
23019
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
407 retval(5) = nmap;
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
408
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
409 if (options.once ())
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
410 {
25337
3ff9192b676e use auto keyword to declare iterator variables where possible
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
411 auto p = rx_lst.begin ();
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
412
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23433
diff changeset
413 retval(4) = (sz ? p->tokens () : Cell ());
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23433
diff changeset
414 retval(3) = (sz ? p->match_string () : "");
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23433
diff changeset
415 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
416
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
417 if (sz)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
418 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
419 double start = p->start ();
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
420 double end = p->end ();
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
421
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
422 Cell split (dim_vector (1, 2));
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
423 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
424 split(1) = buffer.substr (end);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
425
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
426 retval(6) = split;
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
427 retval(1) = end;
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
428 retval(0) = start;
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
429 }
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
430 else
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
431 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
432 retval(6) = buffer;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
433 retval(1) = Matrix ();
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
434 retval(0) = Matrix ();
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
435 }
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 else
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
438 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
439 Cell tokens (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
440 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
441 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
442 NDArray end (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
443 NDArray start (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
444 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
445 size_t sp_start = 0;
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
446
23019
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
447 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
448 for (const auto& match_data : rx_lst)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
449 {
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22755
diff changeset
450 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
451 double e = match_data.end ();
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
452
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22755
diff changeset
453 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
454 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
455 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
456 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
457 end(i) = e;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
458 start(i) = s;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
459 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
460 sp_start = e;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
461 i++;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
462 }
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 split(i) = buffer.substr (sp_start);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
465
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
466 retval(6) = split;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
467 retval(4) = tokens;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
468 retval(3) = match_string;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
469 retval(2) = token_extents;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
470 retval(1) = end;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
471 retval(0) = start;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
472 }
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 // 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
475
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
476 if (extra_options)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
477 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
478 int n = 0;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
479 octave_value_list new_retval;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
480 new_retval.resize (nargout);
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
481
26476
54ad1294ed70 regexp.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26376
diff changeset
482 bool arg_used[7] {};
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
483
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
484 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
485 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
486 int k = 0;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
487 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
488 std::transform (str.begin (), str.end (), str.begin (), tolower);
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
489
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
490 if (str.find ("once", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
491 || str.find ("stringanchors", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
492 || str.find ("lineanchors", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
493 || str.find ("matchcase", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
494 || str.find ("ignorecase", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
495 || str.find ("dotall", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
496 || str.find ("dotexceptnewline", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
497 || str.find ("literalspacing", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
498 || str.find ("freespacing", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
499 || str.find ("noemptymatch", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
500 || str.find ("emptymatch", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
501 continue;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
502 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
503 k = 0;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
504 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
505 k = 1;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
506 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
507 k = 2;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
508 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
509 k = 3;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
510 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
511 k = 4;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
512 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
513 k = 5;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
514 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
515 k = 6;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
516
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
517 new_retval(n++) = retval(k);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
518 arg_used[k] = true;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
519
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
520 if (n == nargout)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
521 break;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
522 }
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 // 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
525 if (n < nargout)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
526 {
23769
fdce2b73f5ce regexp.cc: Correctly size temporary buffer to avoid segfault when re-arranging outputs.
Rik <rik@octave.org>
parents: 23219
diff changeset
527 for (int j = 0; j < 7; j++)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
528 {
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
529 if (! arg_used[j])
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
530 new_retval(n++) = retval(j);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
531 }
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
532 }
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
533
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
534 retval = new_retval;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
535 }
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 return retval;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
538 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
539
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
540 static octave_value_list
23433
c9fab0bc983e maint: Use convention 'int& x' for naming references.
Rik <rik@octave.org>
parents: 23220
diff changeset
541 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
542 const std::string& who, bool case_insensitive = false)
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
543 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
544 octave_value_list retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
545
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
546 if (args(0).iscell ())
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
547 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
548 OCTAVE_LOCAL_BUFFER (Cell, newretval, nargout);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
549 octave_value_list new_args = args;
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
550 Cell cellstr = args(0).cell_value ();
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
551 if (args(1).iscell ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
552 {
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
553 Cell cellpat = args(1).cell_value ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
554
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
555 if (cellpat.numel () == 1)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
556 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
557 for (int j = 0; j < nargout; j++)
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
558 newretval[j].resize (cellstr.dims ());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
559
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
560 new_args(1) = cellpat(0);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
561
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
562 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
563 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
564 new_args(0) = cellstr(i);
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
565 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
566 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
567
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
568 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
569 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
570 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
571 }
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
572 else if (cellstr.numel () == 1)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
573 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
574 for (int j = 0; j < nargout; j++)
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
575 newretval[j].resize (cellpat.dims ());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
576
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
577 new_args(0) = cellstr(0);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
578
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
579 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
580 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
581 new_args(1) = cellpat(i);
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
582 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
583 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
584
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
585 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
586 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
587 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
588 }
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
589 else if (cellstr.numel () == cellpat.numel ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
590 {
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
591 if (cellstr.dims () != cellpat.dims ())
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
592 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
593
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
594 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
595 newretval[j].resize (cellstr.dims ());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
596
21055
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
597 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
598 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
599 new_args(0) = cellstr(i);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
600 new_args(1) = cellpat(i);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
601
21055
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
602 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
603 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
604
21055
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
605 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
606 newretval[j](i) = tmp(j);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
607 }
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 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
610 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
611 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
612 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
613 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
614 for (int j = 0; j < nargout; j++)
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
615 newretval[j].resize (cellstr.dims ());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
616
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
617 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
618 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
619 new_args(0) = cellstr(i);
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
620 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
621 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
622
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
623 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
624 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
625 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
626 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
627
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
628 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
629 retval(j) = octave_value (newretval[j]);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
630 }
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
631 else if (args(1).iscell ())
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
632 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
633 OCTAVE_LOCAL_BUFFER (Cell, newretval, nargout);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
634 octave_value_list new_args = args;
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
635 Cell cellpat = args(1).cell_value ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
636
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
637 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
638 newretval[j].resize (cellpat.dims ());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
639
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
640 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
641 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
642 new_args(1) = cellpat(i);
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
643 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
644 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
645
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
646 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
647 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
648 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
649
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
650 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
651 retval(j) = octave_value (newretval[j]);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
652 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
653 else
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
654 retval = octregexp (args, nargout, who, case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
655
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
656 return retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
657
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
15039
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14854
diff changeset
660 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
661 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
662 @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
663 @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
664 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
665
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
666 Search for @var{pat} in @var{str} and return the positions and substrings of
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
667 any matches, or empty values if there are none.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
668
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
669 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
670 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
671
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
672 @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
673 @item .
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
674 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
675
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
676 @item * + ? @{@}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
677 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
678
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
679 @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
680 @item *
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
681 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
682
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
683 @item +
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
684 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
685
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
686 @item ?
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
687 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
688
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
689 @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
690 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
691
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
692 @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
693 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
694
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
695 @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
696 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
697 @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
698
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
699 @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
700
22299
9fc91bb2aec3 doc: grammarcheck documentation for 4.2 release.
Rik <rik@octave.org>
parents: 22197
diff changeset
701 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
702 @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
703 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
704 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
705
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
706 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
707 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
708
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
709 @item () (?:)
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
710 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
711
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
712 @item |
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
713 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
714 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
715
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
716 @item ^ $
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
717 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
718 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
719 @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
720
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
721 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
722
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
723 @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
724
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
725 @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
726 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
727
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
728 @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
729 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
730
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
731 @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
732 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
733
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
734 @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
735 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
736
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
737 @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
738 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
739
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
740 @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
741 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
742
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
743 @item \<
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
744 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
745
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
746 @item \>
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
747 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
748
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
749 @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
750 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
751 @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
752
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
753 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
754 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
755 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
756 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
757 "@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
758 function.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
759
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
760 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
761
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
762 @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
763 @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
764 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
765
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
766 @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
767 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
768
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
769 @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
770 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
771 @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
772
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
773 @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
774 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
775
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
776 @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
777 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
778
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
779 @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
780 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
781 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
782 @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
783
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
784 @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
785 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
786 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
787 @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
788
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
789 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
790 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
791 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
792 are
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
793
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
794 @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
795 @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
796 @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
797 @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
798 @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
799 @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
800 @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
801 @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
802 @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
803
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
804 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
805
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
806 @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
807 @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
808 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
809
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
810 @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
811 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
812
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
813 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
814
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
815 @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
816 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
817
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
818 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
819
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
820 @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
821 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
822 (default)
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
823
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
824 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
825
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
826 @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
827 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
828
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
829 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
830
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
831 @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
832 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
833 (default)
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
834
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
835 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
836
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
837 @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
838 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
839
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
840 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
841
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
842 @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
843 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
844 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
845
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
846 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
847
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
848 @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
849 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
850 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
851
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
852 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
853
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
854 @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
855 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
856
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
857 @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
858 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
859
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
860 @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
861 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
862
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
863 @end table
24986
0b9e7fcaab91 doc: grammarcheck docstrings in C++ files ahead of 4.4 release.
Rik <rik@octave.org>
parents: 24751
diff changeset
864
23816
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
865 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
866 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
867 For example,
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
868
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
869 @example
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
870 @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
871 @end example
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
872
24986
0b9e7fcaab91 doc: grammarcheck docstrings in C++ files ahead of 4.4 release.
Rik <rik@octave.org>
parents: 24751
diff changeset
873 @noindent
23816
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
874 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
875 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
876 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
877 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
878 @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
879 @end deftypefn */)
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
880 {
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
881 if (args.length () < 2)
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
882 print_usage ();
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
883
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
884 octave_value_list retval;
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20700
diff changeset
885
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
886 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
887 retval = (octcellregexp (args, (nargout > 0 ? nargout : 1), "regexp"));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
888 else
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
889 retval = octregexp (args, nargout, "regexp");
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
890
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
891 return retval;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
892 }
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 /*
8140
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
895 ## PCRE_ERROR_MATCHLIMIT test
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
896 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
897 %! 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
898 %! ws = warning ("query");
8140
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
899 %! unwind_protect
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
900 %! warning ("off");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
901 %! 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
902 %! unwind_protect_cleanup
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
903 %! warning (ws);
8140
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
904 %! end_unwind_protect
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
905
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
906 ## segfault test
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
907 %!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
908 ## Infinite loop test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
909 %!assert (isempty (regexp ("abcde", "")))
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
910
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
911 ## 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
912 %!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
913 %!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
914 %!assert (regexp ('abcabc', '^abc$'), zeros (1,0))
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
915
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
916 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
917 %! [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
918 %! 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
919 %! 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
920 %! 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
921 %! 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
922 %! assert (t, cell (1,0));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
923
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
924 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
925 %! [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
926 %! 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
927 %! 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
928 %! 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
929 %! 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
930 %! assert (t, cell (1,0));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
931
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
932 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
933 %! [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
934 %! assert (s, 2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
935 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
936 %! 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
937 %! assert (m{1}, 'firetruck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
938 %! assert (t{1}{1}, 'iretr');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
939
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
940 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
941 %! [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
942 %! assert (s, [1, 12]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
943 %! assert (e, [5, 17]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
944 %! 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
945 %! assert (isempty (te{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
946 %! assert (isempty (te{2}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
947 %! assert (m{1}, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
948 %! assert (m{2}, 'string');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
949 %! 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
950 %! assert (isempty (t{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
951 %! assert (isempty (t{2}));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
952
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
953 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
954 %! [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
955 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
956 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
957 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
958 %! assert (m, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
959 %! assert (isempty (t));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
960
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
961 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
962 %! [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
963 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
964 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
965 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
966 %! assert (m, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
967 %! assert (isempty (t));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
968
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
969 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
970 %! [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
971 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
972 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
973 %! 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
974 %! 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
975 %! 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
976 %! 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
977 %! 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
978 %! 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
979 %! 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
980 %! assert (! isempty (fieldnames (nm)));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
981 %! 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
982 %! assert (nm.word1, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
983 %! assert (nm.word2, 'test');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
984
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
985 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
986 %! [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
987 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
988 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
989 %! 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
990 %! 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
991 %! 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
992 %! 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
993 %! 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
994 %! 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
995 %! 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
996 %! 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
997 %! 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
998 %! assert (nm.word1, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
999 %! assert (nm.word2, 'test');
5619
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman]
dbateman
parents: 5582
diff changeset
1000
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1001 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1002 %! [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
1003 %! 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
1004 %! assert (t{1}{1}, "John");
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1005 %! assert (t{1}{2}, "Davis");
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1006 %! assert (t{2}{1}, "Rogers");
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1007 %! assert (t{2}{2}, "James");
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1008 %! assert (size (nm), [1, 2]);
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1009 %! assert (nm(1).first, "John");
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1010 %! assert (nm(1).last, "Davis");
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1011 %! assert (nm(2).first, "James");
cb09392b5b1c Return struct array for 'names' option of regexp (bug #49659).
Rik <rik@octave.org>
parents: 22862
diff changeset
1012 %! assert (nm(2).last, "Rogers");
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1013
24741
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1014 ## 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
1015 %!test
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1016 %! 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
1017 %! 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
1018 %! 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
1019 %! 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
1020 %! 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
1021 %! 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
1022
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1023 %!test
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1024 %! 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
1025 %! 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
1026 %! 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
1027 %! 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
1028 %! 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
1029 %! 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
1030
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1031 %!test
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1032 %! 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
1033 %! ptn = '(?<namedtoken>\0+)';
00dfa167c1fe Fix handling of NULL character in regular expressions for Matlab compatibility.
Rik <rik@octave.org>
parents: 24607
diff changeset
1034 %! 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
1035 %! 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
1036 %! 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
1037 %! 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
1038
14452
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683).
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1039 ## Tests for named tokens
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1040 %!test
17336
b81b9d079515 Use '##' for comments which stand alone on a line.
Rik <rik@octave.org>
parents: 17281
diff changeset
1041 %! ## 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
1042 %! 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
1043 %! struct ('typestr', 'int'));
10518
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
1044
23573
1b4f4ec53b4a use new script to tag fixed bugs in tests
John W. Eaton <jwe@octave.org>
parents: 23572
diff changeset
1045 %!test <*35683>
22489
93ea313301f9 test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents: 22407
diff changeset
1046 %! ## 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
1047 %! str = "abcde";
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683).
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1048 %! 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
1049 %! 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
1050 %! 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
1051 %! 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
1052 %! 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
1053
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1054 ## 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
1055 %!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
1056 %!assert (regexp ("abc\nabc", '.', 'dotall'), [1:7])
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1057 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1058 %! 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
1059 %! 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
1060 %! 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
1061
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1062 %!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
1063 %!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
1064 %!assert (regexp ("caseCaSe", 'case', "ignorecase"), [1,5])
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1065 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1066 %! 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
1067 %! assert (regexp ("caseCaSe", '(?i)case'), [1, 5]);
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1068
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1069 %!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
1070 %!assert (regexp ("abc\nabc", 'c$', "stringanchors"), 7)
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1071 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1072 %! assert (regexp ("abc\nabc", '(?-m)c$'), 7);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1073 %! assert (regexp ("abc\nabc", 'c$',"lineanchors"), [3, 7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1074 %! assert (regexp ("abc\nabc", '(?m)c$'), [3,7]);
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1075
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1076 %!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
1077 %!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
1078 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1079 %! 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
1080 %! 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
1081 %! 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
1082
14536
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1083 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1084 %! [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
1085 %! assert (s, [1 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1086 %! assert (e, [3 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1087 %! 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
1088 %! assert (m, { "OCT", "V" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1089 %! 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
1090 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1091 %! assert (sp, { "", "A", "E" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1092
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1093 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1094 %! [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
1095 %! assert (s, [1 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1096 %! assert (e, [3 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1097 %! assert (te, { [1 3], [5 5] });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1098 %! assert (m, { "OCT", "V" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1099 %! assert (t, { {"OCT"}, {"V"} });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1100 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1101 %! assert (sp, { "", "A", "E" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1102
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1103 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1104 %! [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
1105 %! assert (s, [1 4 5 6 7]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1106 %! assert (e, [3 3 5 5 6]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1107 %! 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
1108 %! assert (m, { "OCT", "", "V", "", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1109 %! 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
1110 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1111 %! assert (sp, { "", "", "A", "", "E", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1112
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1113 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1114 %! [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
1115 %! assert (s, [1 4 5 6 7]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1116 %! assert (e, [3 3 5 5 6]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1117 %! 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
1118 %! assert (m, { "OCT", "", "V", "", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1119 %! assert (t, { {"OCT"}, {""}, {"V"}, {""}, {""} });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1120 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1121 %! assert (sp, { "", "", "A", "", "E", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1122
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1123 %!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
1124 %!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
1125 %!assert (regexp ('Strings', {'t','s'}), {2, 7})
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1126
8093
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
1127 ## Test case for lookaround operators
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1128 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1129 %! 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
1130 %! 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
1131 %! 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
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 ("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
1134 %! 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
1135 %! 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
1136
13310
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1137 ## Tests for split option.
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1138 %!shared str
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1139 %! str = "foo bar foo";
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1140 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1141 %! [a, b] = regexp (str, "f..", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1142 %! assert (a, {"foo", "foo"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1143 %! assert (b, {"", " bar ", ""});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1144 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1145 %! [a, b] = regexp (str, "f..", "match", "split", "once");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1146 %! assert (a, "foo");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1147 %! assert (b, {"", " bar foo"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1148 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1149 %! [a, b] = regexp (str, "fx.", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1150 %! assert (a, cell (1, 0));
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1151 %! assert (b, {"foo bar foo"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1152 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1153 %! [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
1154 %! assert (a, "");;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1155 %! assert (b, "foo bar foo");
13310
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1156
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1157 %!shared str
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1158 %! str = "foo bar";
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1159 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1160 %! [a, b] = regexp (str, "f..", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1161 %! assert (a, {"foo"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1162 %! assert (b, {"", " bar"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1163 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1164 %! [a, b] = regexp (str, "b..", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1165 %! assert (a, {"bar"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1166 %! assert (b, {"foo ", ""});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1167 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1168 %! [a, b] = regexp (str, "x", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1169 %! assert (a, cell (1, 0));
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1170 %! assert (b, {"foo bar"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1171 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1172 %! [a, b] = regexp (str, "[o]+", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1173 %! assert (a, {"oo"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1174 %! 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
1175
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1176 ## 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
1177 %!assert (regexp ("\n", '\n'), 1)
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)
20290
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
1179
22489
93ea313301f9 test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents: 22407
diff changeset
1180 # 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
1181 %!test <*45407>
20290
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
1182 %! 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
1183 %! 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
1184 %! 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
1185
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1186 ## Test input validation
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1187 %!error regexp ('string', 'tri', 'BadArg')
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1188 %!error regexp ('string')
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1189
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1190 */
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1191
15039
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14854
diff changeset
1192 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
1193 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
1194 @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
1195 @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
1196
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1197 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
1198
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1199 Search for @var{pat} in @var{str} and return the positions and substrings of
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1200 any matches, or empty values if there are none. @xref{XREFregexp,,regexp},
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1201 for details on the syntax of the search pattern.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1202 @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
1203 @end deftypefn */)
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1204 {
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1205 if (args.length () < 2)
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1206 print_usage ();
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1207
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
1208 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
1209 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
1210 else
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
1211 return octregexp (args, nargout, "regexpi", true);
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1212 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1213
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1214 /*
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1215 ## segfault test
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1216 %!assert (regexpi ("abcde", "."), [1,2,3,4,5])
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1217
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1218 ## 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
1219 %!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
1220 %!assert (regexpi ('abcabc', 'ABC$'), 4)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1221 %!assert (regexpi ('abcabc', '^ABC$'), zeros (1,0))
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1222
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1223 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1224 %! [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
1225 %! 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
1226 %! 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
1227 %! 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
1228 %! 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
1229 %! assert (t, cell (1,0));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1230
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1231 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1232 %! [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
1233 %! assert (s, 2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1234 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1235 %! 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
1236 %! assert (m{1}, 'FiRetrUck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1237 %! assert (t{1}{1}, 'iRetr');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1238
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1239 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1240 %! [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
1241 %! assert (s, 2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1242 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1243 %! 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
1244 %! assert (m{1}, 'firetruck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1245 %! assert (t{1}{1}, 'iretr');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1246
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1247 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1248 %! [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
1249 %! assert (s, [1, 12]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1250 %! assert (e, [5, 17]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1251 %! 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
1252 %! assert (isempty (te{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1253 %! assert (isempty (te{2}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1254 %! assert (m{1}, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1255 %! assert (m{2}, 'String');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1256 %! 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
1257 %! assert (isempty (t{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1258 %! assert (isempty (t{2}));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1259
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1260 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1261 %! [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
1262 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1263 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1264 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1265 %! assert (m, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1266 %! assert (isempty (t));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1267
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1268 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1269 %! [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
1270 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1271 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1272 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1273 %! assert (m, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1274 %! assert (isempty (t));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1275
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1276 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1277 %! [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
1278 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1279 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1280 %! 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
1281 %! 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
1282 %! 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
1283 %! 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
1284 %! 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
1285 %! 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
1286 %! 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
1287 %! assert (! isempty (fieldnames (nm)));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1288 %! 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
1289 %! assert (nm.word1, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1290 %! assert (nm.word2, 'Test');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1291
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1292 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1293 %! [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
1294 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1295 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1296 %! 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
1297 %! 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
1298 %! 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
1299 %! 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
1300 %! 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
1301 %! 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
1302 %! 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
1303 %! 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
1304 %! 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
1305 %! assert (nm.word1, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1306 %! assert (nm.word2, 'Test');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1307
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1308 %!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
1309 %!assert (regexpi ("abc\nabc", '.', 'dotall'), [1:7])
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1310 %!test
14501
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", '(?s).'), [1:7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1312 %! 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
1313 %! 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
1314
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1315 %!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
1316 %!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
1317 %!assert (regexpi ("caseCaSe", 'case', "ignorecase"), [1, 5])
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1318 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1319 %! 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
1320 %! assert (regexpi ("caseCaSe", '(?i)case'), [1, 5]);
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1321
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1322 %!assert (regexpi ("abc\nabc", 'C$'), 7)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1323 %!assert (regexpi ("abc\nabc", 'C$', "stringanchors"), 7)
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1324 %!test
14501
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", '(?-m)C$'), 7);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1326 %! assert (regexpi ("abc\nabc", 'C$', "lineanchors"), [3, 7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1327 %! assert (regexpi ("abc\nabc", '(?m)C$'), [3, 7]);
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1328
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1329 %!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
1330 %!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
1331 %!test
14501
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", '(?-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
1333 %! 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
1334 %! 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
1335
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1336 %!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
1337 %!error regexpi ('string')
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1338
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1339 %!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
1340 %!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
1341 %!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
1342 %!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
1343
21317
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1344 %!assert (regexpi ("\n", '\n'), 1)
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1345 %!assert (regexpi ("\n", "\n"), 1)
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1346 */
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1347
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1348 static octave_value
23433
c9fab0bc983e maint: Use convention 'int& x' for naming references.
Rik <rik@octave.org>
parents: 23220
diff changeset
1349 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
1350 {
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1351 int nargin = args.length ();
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1352
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1353 // Make sure we have string, pattern, replacement
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1354 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
1355
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
1356 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
1357
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
1358 // 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
1359 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
1360
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
1361 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
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 // 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
1364 if (args(2).is_sq_string ())
15541
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092)
Rik <rik@octave.org>
parents: 15195
diff changeset
1365 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
1366
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1367 // Pack options excluding 'tokenize' and various output
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1368 // reordering strings into regexp arg list
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1369 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
1370
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1371 int len = 0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1372 for (int i = 3; i < nargin; i++)
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1373 {
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1374 const std::string opt = args(i).string_value ();
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1375 if (opt != "tokenize" && opt != "start" && opt != "end"
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1376 && opt != "tokenextents" && opt != "match" && opt != "tokens"
13310
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1377 && opt != "names" && opt != "split" && opt != "warnings")
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1378 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1379 regexpargs(len++) = args(i);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1380 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1381 }
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1382 regexpargs.resize (len);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1383
22333
2758af148ced move base_list and regexp classes to octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1384 octave::regexp::opts options;
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1385 bool extra_args = false;
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1386 parse_options (options, regexpargs, who, 0, extra_args);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1387
22333
2758af148ced move base_list and regexp classes to octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1388 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
1389 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1390
15039
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14854
diff changeset
1391 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
1392 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
1393 @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
1394 @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
1395 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
1396
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1397 The pattern is a regular expression as documented for @code{regexp}.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1398 @xref{XREFregexp,,regexp}.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1399
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1400 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
1401 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
1402
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1403 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1404 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
1405 @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
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 @noindent
22299
9fc91bb2aec3 doc: grammarcheck documentation for 4.2 release.
Rik <rik@octave.org>
parents: 22197
diff changeset
1408 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
1409
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1410 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
1411
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1412 @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
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 @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
1415 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
1416
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1417 @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
1418 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
1419
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1420 @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
1421
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1422 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
1423 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
1424 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
1425 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
1426 "@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
1427 function.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1428 @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
1429 @end deftypefn */)
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1430 {
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1431 if (args.length () < 3)
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1432 print_usage ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1433
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1434 octave_value_list retval;
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1435
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
1436 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
1437 {
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1438 Cell str, pat, rep;
6495
fd09c7e8c4c9 [project @ 2007-04-05 16:18:20 by dbateman]
dbateman
parents: 6361
diff changeset
1439 dim_vector dv0;
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1440 dim_vector dv1 (1, 1);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1441
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
1442 if (args(0).iscell ())
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1443 str = args(0).cell_value ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1444 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1445 str = Cell (args(0));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1446
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
1447 if (args(1).iscell ())
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1448 pat = args(1).cell_value ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1449 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1450 pat = Cell (args(1));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1451
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
1452 if (args(2).iscell ())
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1453 rep = args(2).cell_value ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1454 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1455 rep = Cell (args(2));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1456
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1457 dv0 = str.dims ();
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1458 if (pat.numel () != 1)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1459 {
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1460 dv1 = pat.dims ();
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1461 if (rep.numel () != 1 && dv1 != rep.dims ())
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1462 error ("regexprep: inconsistent cell array dimensions");
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 else if (rep.numel () != 1)
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1465 dv1 = rep.dims ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1466
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1467 Cell ret (dv0);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1468 octave_value_list new_args = args;
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1469
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1470 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
1471 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1472 new_args(0) = str(i);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1473 if (pat.numel () == 1)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1474 new_args(1) = pat(0);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1475 if (rep.numel () == 1)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1476 new_args(2) = rep(0);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1477
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1478 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
1479 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1480 if (pat.numel () != 1)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1481 new_args(1) = pat(j);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1482 if (rep.numel () != 1)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1483 new_args(2) = rep(j);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1484 new_args(0) = octregexprep (new_args, "regexprep");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1485 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1486
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1487 ret(i) = new_args(0);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1488 }
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1489
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23573
diff changeset
1490 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
1491 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1492 else
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1493 retval = octregexprep (args, "regexprep");
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1494
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1495 return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1496 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1497
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1498 /*
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1499 %!test # Replace with empty
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1500 %! 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
1501 %! t = regexprep (xml, '<[!?][^>]*>', '');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1502 %! assert (t, ' <tag v="hello">some stuff</tag>');
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1503
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1504 %!test # Replace with non-empty
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1505 %! 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
1506 %! t = regexprep (xml, '<[!?][^>]*>', '?');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1507 %! assert (t, '? <tag v="hello">some stuff?</tag>');
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1508
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1509 %!test # Check that 'tokenize' is ignored
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1510 %! 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
1511 %! t = regexprep (xml, '<[!?][^>]*>', '', 'tokenize');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1512 %! assert (t, ' <tag v="hello">some stuff</tag>');
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1513
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
1514 ## Test capture replacement
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1515 %!test
7242
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1516 %! data = "Bob Smith\nDavid Hollerith\nSam Jenkins";
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1517 %! 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
1518 %! 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
1519 %! assert (t, result);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1520
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
1521 ## 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
1522 %!assert (regexprep ('hello', 'world', 'earth'), 'hello')
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1523
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1524 ## Test emptymatch option
14536
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1525 %!assert (regexprep ('World', '^', 'Hello '), 'World')
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1526 %!assert (regexprep ('World', '^', 'Hello ', 'emptymatch'), 'Hello World')
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1527
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1528 ## 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
1529 %!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
1530
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1531 ## 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
1532 %!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
1533 %!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
1534
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1535 ## Test options "once" and "ignorecase"
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1536 %!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
1537 %! "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
1538 %!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
1539 %! "a_b_c_d_e_f_g")
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1540
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1541 ## Option combinations
24751
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_]", "_", "once", "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 ## End conditions on replacement
21317
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1546 %!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
1547 %!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
1548 %!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
1549 %!assert (regexprep ("abc", "(b)", "$1.."), "ab..c")
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1550
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1551 ## 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
1552 %!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
1553 %!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
1554 %!assert (regexprep ({"abc","cba"}, {"b","a"}, {"?","!"}), {"!?c","c?!"})
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1555
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1556 ## Nasty lookbehind expression
21575
bc9aa534bc29 maint: Clean up BIST tests so they don't produce warnings.
Rik <rik@octave.org>
parents: 21547
diff changeset
1557 %!test
bc9aa534bc29 maint: Clean up BIST tests so they don't produce warnings.
Rik <rik@octave.org>
parents: 21547
diff changeset
1558 %! 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
1559 %! 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
1560 %! '_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
1561
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1562 ## 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
1563 %!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
1564 %!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
1565
24751
6e670c58c6f0 Expand octal sequences in regexprep replacement string for Matlab compatibility.
Rik <rik@octave.org>
parents: 24741
diff changeset
1566 ## 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
1567 %!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
1568 %!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
1569 %!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
1570 %!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
1571
24606
4a4a8b2a5bf2 Test for incorrect regexprep on ARM platforms (bug #52810).
Colin Macdonald <cbm@m.fsf.org>
parents: 23816
diff changeset
1572 ## 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
1573 %!test <*52810>
4a4a8b2a5bf2 Test for incorrect regexprep on ARM platforms (bug #52810).
Colin Macdonald <cbm@m.fsf.org>
parents: 23816
diff changeset
1574 %! 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
1575 */