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annotate libinterp/corefcn/regexp.cc @ 23816:d396866fa7d8 stable

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Add documentation about PCRE library regexp stack overflow (bug #51589). * regexp.cc: Place detailed note at end of help about stack overflow for high match count recursion in regexp() searches, an upstream issue for which no good solution was found.
author Daniel J Sebald <daniel.sebald@ieee.org>
date Fri, 28 Jul 2017 13:47:45 -0500
parents fdce2b73f5ce
children d9ca3f15f739 4a4a8b2a5bf2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 2005-2017 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
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
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16 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 <http://www.gnu.org/licenses/>.
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21
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22 */
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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 ("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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139 static std::string
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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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143
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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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147
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diff changeset
148 retval.resize (len);
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149
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diff changeset
150 while (j < len)
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151 {
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152 if (s[j] == '\\' && j+1 < len)
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153 {
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diff changeset
154 switch (s[++j])
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155 {
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diff changeset
156 case 'a': // alarm
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157 retval[i] = '\a';
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158 break;
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159
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diff changeset
160 case 'b': // backspace
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161 retval[i] = '\b';
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162 break;
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163
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diff changeset
164 case 'f': // formfeed
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165 retval[i] = '\f';
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166 break;
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167
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diff changeset
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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diff changeset
177 retval[i] = '\t';
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178 break;
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179
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diff changeset
180 case 'v': // vertical tab
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181 retval[i] = '\v';
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182 break;
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183
20211
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184 case 'o': // octal input
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185 {
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186 bool bad_esc_seq = (j+1 >= len);
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187
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188 bool brace = false;
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189 if (! bad_esc_seq && s[++j] == '{')
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190 {
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191 brace = true;
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192 j++;
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193 }
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194
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195 int tmpi = 0;
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196 size_t k;
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197 for (k = j; k < std::min (j+3+brace, len); k++)
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198 {
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199 int digit = s[k] - '0';
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200 if (digit < 0 || digit > 7)
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201 break;
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202 tmpi <<= 3;
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203 tmpi += digit;
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204 }
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diff changeset
205 if (bad_esc_seq || (brace && s[k++] != '}'))
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206 {
22197
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207 warning ("malformed octal escape sequence '\\o' -- converting to '\\0'");
20211
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208 tmpi = 0;
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209 }
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210 retval[i] = tmpi;
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211 j = k - 1;
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212 break;
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213 }
14543
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214
20211
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diff changeset
215 case 'x': // hex input
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216 {
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diff changeset
217 bool bad_esc_seq = (j+1 >= len);
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diff changeset
218
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diff changeset
219 bool brace = false;
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diff changeset
220 if (! bad_esc_seq && s[++j] == '{')
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diff changeset
221 {
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diff changeset
222 brace = true;
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diff changeset
223 j++;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
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diff changeset
224 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
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diff changeset
225
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
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diff changeset
226 int tmpi = 0;
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diff changeset
227 size_t k;
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diff changeset
228 for (k = j; k < std::min (j+2+brace, len); k++)
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diff changeset
229 {
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diff changeset
230 if (! isxdigit (s[k]))
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
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diff changeset
231 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
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diff changeset
232
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
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diff changeset
233 tmpi <<= 4;
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diff changeset
234 int digit = s[k];
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
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diff changeset
235 if (digit >= 'a')
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
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diff changeset
236 tmpi += digit - 'a' + 10;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
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diff changeset
237 else if (digit >= 'A')
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
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diff changeset
238 tmpi += digit - 'A' + 10;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
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diff changeset
239 else
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
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diff changeset
240 tmpi += digit - '0';
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
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diff changeset
241 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
242 if (bad_esc_seq || (brace && s[k++] != '}'))
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
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diff changeset
243 {
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
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diff changeset
244 warning ("malformed hex escape sequence '\\x' -- converting to '\\0'");
20211
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
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diff changeset
245 tmpi = 0;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
246 }
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
Rik <rik@octave.org>
parents: 20172
diff changeset
247 retval[i] = tmpi;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
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diff changeset
248 j = k - 1;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
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diff changeset
249 break;
f2bc7d23295d Add special hex/octal escape sequence processing for regexp.
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parents: 20172
diff changeset
250 }
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
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parents: 17744
diff changeset
251
20290
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
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diff changeset
252 // Both dollar sign (for capture buffer) and backslash are
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diff changeset
253 // passed through with their escape backslash. The processing
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parents: 20232
diff changeset
254 // for these must occur during the actual replacement operation
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diff changeset
255 // in lo-regexp.cc.
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parents: 20232
diff changeset
256 case '$': // pass dollar sign through with escape
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diff changeset
257 retval[i] = '\\'; retval[++i] = '$';
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diff changeset
258 break;
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
259
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
260 case '\\': // pass backslash through with escape
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diff changeset
261 retval[i] = '\\'; retval[++i] = '\\';
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
262 break;
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
263
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
264 default: // convert escaped character to unescaped char
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
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parents: 20232
diff changeset
265 retval[i] = s[j];
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
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diff changeset
266 break;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
267 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
268 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
269 else
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
270 {
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
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diff changeset
271 retval[i] = s[j];
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
272 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
273
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
274 i++;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
275 j++;
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
276 }
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
277
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
278 retval.resize (i);
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279
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diff changeset
280 return retval;
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281 }
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282
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283 static void
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284 parse_options (octave::regexp::opts& options, const octave_value_list& args,
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285 const std::string& who, int skip, bool& extra_args)
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286 {
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287 extra_args = false;
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288
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289 for (int i = skip; i < args.length (); i++)
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290 {
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291 std::string str;
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292
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293 str = args(i).xstring_value ("%s: optional arguments must be strings", who.c_str ());
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294
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295 std::transform (str.begin (), str.end (), str.begin (), tolower);
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296
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297 if (str.find ("once", 0) == 0)
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298 options.once (true);
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299 else if (str.find ("matchcase", 0) == 0)
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300 options.case_insensitive (false);
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301 else if (str.find ("ignorecase", 0) == 0)
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302 options.case_insensitive (true);
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303 else if (str.find ("dotall", 0) == 0)
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304 options.dotexceptnewline (false);
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305 else if (str.find ("stringanchors", 0) == 0)
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306 options.lineanchors (false);
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307 else if (str.find ("literalspacing", 0) == 0)
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308 options.freespacing (false);
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309 else if (str.find ("noemptymatch", 0) == 0)
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310 options.emptymatch (false);
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311 else if (str.find ("dotexceptnewline", 0) == 0)
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312 options.dotexceptnewline (true);
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313 else if (str.find ("lineanchors", 0) == 0)
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314 options.lineanchors (true);
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315 else if (str.find ("freespacing", 0) == 0)
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316 options.freespacing (true);
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317 else if (str.find ("emptymatch", 0) == 0)
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318 options.emptymatch (true);
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319 else if (str.find ("start", 0) == 0
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320 || str.find ("end", 0) == 0
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321 || str.find ("tokenextents", 0) == 0
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322 || str.find ("match", 0) == 0
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323 || str.find ("tokens", 0) == 0
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324 || str.find ("names", 0) == 0
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325 || str.find ("split", 0) == 0)
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diff changeset
326 extra_args = true;
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327 else
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diff changeset
328 error ("%s: unrecognized option", who.c_str ());
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329 }
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330 }
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331
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diff changeset
332 static octave_value_list
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diff changeset
333 octregexp (const octave_value_list &args, int nargout,
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334 const std::string &who, bool case_insensitive = false)
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335 {
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336 octave_value_list retval;
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diff changeset
337
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338 int nargin = args.length ();
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339
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diff changeset
340 // Make sure we have string, pattern
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341 const std::string buffer = args(0).string_value ();
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342
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343 std::string pattern = args(1).string_value ();
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344
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611794516332 Fix regexp handling of beginning/end word match for double-quoted pattern strings (bug #49451).
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345 // Rewrite pattern for PCRE
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346 pattern = do_regexp_ptn_string_escapes (pattern, args(1).is_sq_string ());
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347
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348 octave::regexp::opts options;
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349 options.case_insensitive (case_insensitive);
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350 bool extra_options = false;
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351 parse_options (options, args, who, 2, extra_options);
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352
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353 octave::regexp::match_data rx_lst
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354 = octave::regexp::match (pattern, buffer, options, who);
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diff changeset
355
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diff changeset
356 string_vector named_pats = rx_lst.named_patterns ();
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diff changeset
357
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diff changeset
358 size_t sz = rx_lst.size ();
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359
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360 // Converted the linked list in the correct form for the return values
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diff changeset
361
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diff changeset
362 octave_idx_type i = 0;
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diff changeset
363 octave_scalar_map nmap;
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diff changeset
364
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diff changeset
365 retval.resize (7);
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diff changeset
366
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367 if (sz == 1)
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diff changeset
368 {
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diff changeset
369 string_vector named_tokens = rx_lst.begin ()->named_tokens ();
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diff changeset
370
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371 for (int j = 0; j < named_pats.numel (); j++)
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372 nmap.assign (named_pats(j), named_tokens(j));
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diff changeset
373
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374 retval(5) = nmap;
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375 }
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diff changeset
376 else
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diff changeset
377 {
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diff changeset
378 for (int j = 0; j < named_pats.numel (); j++)
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diff changeset
379 {
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diff changeset
380 Cell tmp (dim_vector (1, sz));
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diff changeset
381
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diff changeset
382 i = 0;
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diff changeset
383 for (octave::regexp::match_data::const_iterator p = rx_lst.begin ();
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diff changeset
384 p != rx_lst.end (); p++)
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diff changeset
385 {
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diff changeset
386 string_vector named_tokens = p->named_tokens ();
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diff changeset
387
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diff changeset
388 tmp(i++) = named_tokens(j);
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diff changeset
389 }
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diff changeset
390
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391 nmap.assign (named_pats(j), octave_value (tmp));
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diff changeset
392 }
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diff changeset
393
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diff changeset
394 retval(5) = nmap;
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395 }
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diff changeset
396
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diff changeset
397 if (options.once ())
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diff changeset
398 {
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diff changeset
399 octave::regexp::match_data::const_iterator p = rx_lst.begin ();
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diff changeset
400
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diff changeset
401 retval(4) = sz ? p->tokens () : Cell ();
21017
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diff changeset
402 retval(3) = sz ? p->match_string () : "";
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diff changeset
403 retval(2) = sz ? p->token_extents () : Matrix ();
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diff changeset
404
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diff changeset
405 if (sz)
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diff changeset
406 {
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diff changeset
407 double start = p->start ();
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diff changeset
408 double end = p->end ();
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diff changeset
409
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diff changeset
410 Cell split (dim_vector (1, 2));
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diff changeset
411 split(0) = buffer.substr (0, start-1);
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diff changeset
412 split(1) = buffer.substr (end);
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diff changeset
413
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diff changeset
414 retval(6) = split;
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diff changeset
415 retval(1) = end;
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diff changeset
416 retval(0) = start;
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
417 }
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
418 else
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
419 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
420 retval(6) = buffer;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
421 retval(1) = Matrix ();
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
422 retval(0) = Matrix ();
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
423 }
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
424 }
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
425 else
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
426 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
427 Cell tokens (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
428 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
429 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
430 NDArray end (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
431 NDArray start (dim_vector (1, sz));
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
432 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
433 size_t sp_start = 0;
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
434
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
435 i = 0;
22333
2758af148ced move base_list and regexp classes to octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
436 for (octave::regexp::match_data::const_iterator p = rx_lst.begin ();
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
437 p != rx_lst.end (); p++)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
438 {
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
439 double s = p->start ();
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
440 double e = p->end ();
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
441
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
442 string_vector tmp = p->tokens ();
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
443 tokens(i) = Cell (dim_vector (1, tmp.numel ()), tmp);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
444 match_string(i) = p->match_string ();
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
445 token_extents(i) = p->token_extents ();
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
446 end(i) = e;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
447 start(i) = s;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
448 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
449 sp_start = e;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
450 i++;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
451 }
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
452
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
453 split(i) = buffer.substr (sp_start);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
454
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
455 retval(6) = split;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
456 retval(4) = tokens;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
457 retval(3) = match_string;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
458 retval(2) = token_extents;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
459 retval(1) = end;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
460 retval(0) = start;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
461 }
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 // 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
464
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
465 if (extra_options)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
466 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
467 int n = 0;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
468 octave_value_list new_retval;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
469 new_retval.resize (nargout);
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
470
23769
fdce2b73f5ce regexp.cc: Correctly size temporary buffer to avoid segfault when re-arranging outputs.
Rik <rik@octave.org>
parents: 23219
diff changeset
471 OCTAVE_LOCAL_BUFFER_INIT (int, arg_used, 7, false);
20558
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 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
474 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
475 int k = 0;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
476 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
477 std::transform (str.begin (), str.end (), str.begin (), tolower);
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
478
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
479 if (str.find ("once", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
480 || str.find ("stringanchors", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
481 || str.find ("lineanchors", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
482 || str.find ("matchcase", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
483 || str.find ("ignorecase", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
484 || str.find ("dotall", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
485 || str.find ("dotexceptnewline", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
486 || str.find ("literalspacing", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
487 || str.find ("freespacing", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
488 || str.find ("noemptymatch", 0) == 0
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
489 || str.find ("emptymatch", 0) == 0)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
490 continue;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
491 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
492 k = 0;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
493 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
494 k = 1;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
495 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
496 k = 2;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
497 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
498 k = 3;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
499 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
500 k = 4;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
501 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
502 k = 5;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
503 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
504 k = 6;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
505
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
506 new_retval(n++) = retval(k);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
507 arg_used[k] = true;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
508
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
509 if (n == nargout)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
510 break;
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
511 }
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
512
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
513 // 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
514 if (n < nargout)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
515 {
23769
fdce2b73f5ce regexp.cc: Correctly size temporary buffer to avoid segfault when re-arranging outputs.
Rik <rik@octave.org>
parents: 23219
diff changeset
516 for (int j = 0; j < 7; j++)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
517 {
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
518 if (! arg_used[j])
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
519 new_retval(n++) = retval(j);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
520 }
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
521 }
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
522
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
523 retval = new_retval;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
524 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
525
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
526 return retval;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
527 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
528
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
529 static octave_value_list
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
530 octcellregexp (const octave_value_list &args, int nargout,
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
531 const std::string &who, bool case_insensitive = false)
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
532 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
533 octave_value_list retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
534
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
535 if (args(0).is_cell ())
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
536 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
537 OCTAVE_LOCAL_BUFFER (Cell, newretval, nargout);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
538 octave_value_list new_args = args;
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
539 Cell cellstr = args(0).cell_value ();
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
540 if (args(1).is_cell ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
541 {
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
542 Cell cellpat = args(1).cell_value ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
543
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
544 if (cellpat.numel () == 1)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
545 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
546 for (int j = 0; j < nargout; j++)
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
547 newretval[j].resize (cellstr.dims ());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
548
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
549 new_args(1) = cellpat(0);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
550
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
551 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
552 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
553 new_args(0) = cellstr(i);
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
554 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
555 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
556
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
557 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
558 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
559 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
560 }
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
561 else if (cellstr.numel () == 1)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
562 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
563 for (int j = 0; j < nargout; j++)
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
564 newretval[j].resize (cellpat.dims ());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
565
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
566 new_args(0) = cellstr(0);
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 (octave_idx_type i = 0; i < cellpat.numel (); i++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
569 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
570 new_args(1) = cellpat(i);
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
571 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
572 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
573
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
574 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
575 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
576 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
577 }
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
578 else if (cellstr.numel () == cellpat.numel ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
579 {
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
580 if (cellstr.dims () != cellpat.dims ())
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
581 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
582
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
583 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
584 newretval[j].resize (cellstr.dims ());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
585
21055
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
586 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
587 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
588 new_args(0) = cellstr(i);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
589 new_args(1) = cellpat(i);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
590
21055
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error.
Rik <rik@octave.org>
parents: 21017
diff changeset
591 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
592 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
593
21055
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](i) = tmp(j);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
596 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
597 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
598 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
599 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
600 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
601 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
602 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
603 for (int j = 0; j < nargout; j++)
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
604 newretval[j].resize (cellstr.dims ());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
605
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
606 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
607 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
608 new_args(0) = cellstr(i);
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
609 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
610 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
611
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
612 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
613 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
614 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
615 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
616
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
617 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
618 retval(j) = octave_value (newretval[j]);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
619 }
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
620 else if (args(1).is_cell ())
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
621 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
622 OCTAVE_LOCAL_BUFFER (Cell, newretval, nargout);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
623 octave_value_list new_args = args;
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
624 Cell cellpat = args(1).cell_value ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
625
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
626 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
627 newretval[j].resize (cellpat.dims ());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
628
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
629 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
630 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
631 new_args(1) = cellpat(i);
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
632 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
633 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
634
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
635 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
636 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
637 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
638
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
639 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
640 retval(j) = octave_value (newretval[j]);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
641 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
642 else
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
643 retval = octregexp (args, nargout, who, case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
644
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
645 return retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
646
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
647 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
648
15039
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14854
diff changeset
649 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
650 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
651 @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
652 @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
653 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
654
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
655 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
656 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
657
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
658 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
659 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
660
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
661 @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
662 @item .
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
663 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
664
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
665 @item * + ? @{@}
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
666 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
667
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
668 @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
669 @item *
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
670 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
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 @item +
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
673 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
674
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
675 @item ?
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
676 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
677
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
678 @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
679 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
680
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
681 @item @{@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
682 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
683
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
684 @item @{@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
685 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
686 @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
687
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
688 @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
689
22299
9fc91bb2aec3 doc: grammarcheck documentation for 4.2 release.
Rik <rik@octave.org>
parents: 22197
diff changeset
690 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
691 @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
692 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
693 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
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 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
696 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
697
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
698 @item () (?:)
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
699 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
700
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
701 @item |
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
702 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
703 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
704
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
705 @item ^ $
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
706 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
707 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
708 @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
709
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
710 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
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 @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
713
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
714 @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
715 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
716
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
717 @item \D
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
718 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
719
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
720 @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
721 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
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 @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
724 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
725
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
726 @item \w
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
727 Match any 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
728
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
729 @item \W
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
730 Match any non-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
731
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
732 @item \<
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
733 Match 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
734
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
735 @item \>
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
736 Match 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
737
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
738 @item \B
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
739 Match 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
740 @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
741
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
742 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
743 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
744 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
745 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
746 "@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
747 function.
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 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
750
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
751 @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
752 @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
753 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
754
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
755 @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
756 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
757
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
758 @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
759 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
760 @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
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 @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
763 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
764
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
765 @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
766 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
767
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
768 @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
769 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
770 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
771 @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
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 sp
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 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
775 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
776 @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
777
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
778 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
779 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
780 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
781 are
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
782
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
783 @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
784 @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
785 @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
786 @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
787 @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
788 @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
789 @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
790 @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
791 @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
792
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
793 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
794
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
795 @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
796 @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
797 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
798
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 matchcase
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
800 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
801
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
802 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
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 @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
805 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
806
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
807 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
808
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
809 @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
810 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
811 (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 (?-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
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 lineanchors
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
816 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
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 (?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
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 dotall
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
821 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
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 (?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
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 dotexceptnewline
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
827 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
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 (?-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
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 literalspacing
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
832 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
833 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
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 (?-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
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 freespacing
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 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
839 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
840
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
841 Alternatively, use (?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
842
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
843 @item noemptymatch
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
844 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
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 @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
847 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
848
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
849 @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
850 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
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 @end table
23816
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
853 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
854 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
855 For example,
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
856
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
857 @example
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
858 @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
859 @end example
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
860
d396866fa7d8 Add documentation about PCRE library regexp stack overflow (bug #51589).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23769
diff changeset
861 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
862 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
863 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
864 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
865 @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
866 @end deftypefn */)
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
867 {
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
868 if (args.length () < 2)
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
869 print_usage ();
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
870
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
871 octave_value_list retval;
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20700
diff changeset
872
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20700
diff changeset
873 if (args(0).is_cell () || args(1).is_cell ())
14454
2232931f2494 Return regexp output when input is a cellstr and there is no return variable assignment.
Rik <octave@nomad.inbox5.com>
parents: 14453
diff changeset
874 retval = octcellregexp (args, (nargout > 0 ? nargout : 1), "regexp");
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
875 else
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
876 retval = octregexp (args, nargout, "regexp");
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
877
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
878 return retval;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
879 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
880
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
881 /*
8140
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
882 ## PCRE_ERROR_MATCHLIMIT test
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
883 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
884 %! 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
885 %! ws = warning ("query");
8140
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
886 %! unwind_protect
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
887 %! warning ("off");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
888 %! 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
889 %! unwind_protect_cleanup
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
890 %! warning (ws);
8140
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
891 %! end_unwind_protect
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
892
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
893 ## segfault test
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
894 %!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
895 ## Infinite loop test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
896 %!assert (isempty (regexp ("abcde", "")))
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
897
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
898 ## 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
899 %!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
900 %!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
901 %!assert (regexp ('abcabc', '^abc$'), zeros (1,0))
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
902
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
903 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
904 %! [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
905 %! 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
906 %! 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
907 %! 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
908 %! 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
909 %! assert (t, cell (1,0));
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 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
912 %! [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
913 %! 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
914 %! 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
915 %! 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
916 %! 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
917 %! assert (t, cell (1,0));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
918
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
919 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
920 %! [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
921 %! assert (s, 2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
922 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
923 %! 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
924 %! assert (m{1}, 'firetruck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
925 %! assert (t{1}{1}, 'iretr');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
926
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
927 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
928 %! [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
929 %! assert (s, [1, 12]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
930 %! assert (e, [5, 17]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
931 %! 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
932 %! assert (isempty (te{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
933 %! assert (isempty (te{2}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
934 %! assert (m{1}, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
935 %! assert (m{2}, 'string');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
936 %! 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
937 %! assert (isempty (t{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
938 %! assert (isempty (t{2}));
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*', 'once');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
942 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
943 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
944 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
945 %! assert (m, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
946 %! assert (isempty (t));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
947
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
948 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
949 %! [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
950 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
951 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
952 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
953 %! assert (m, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
954 %! assert (isempty (t));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
955
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
956 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
957 %! [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
958 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
959 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
960 %! 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
961 %! 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
962 %! 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
963 %! 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
964 %! 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
965 %! 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
966 %! 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
967 %! assert (! isempty (fieldnames (nm)));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
968 %! 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
969 %! assert (nm.word1, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
970 %! assert (nm.word2, 'test');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
971
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
972 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
973 %! [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
974 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
975 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
976 %! 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
977 %! 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
978 %! 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
979 %! 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
980 %! 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
981 %! 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
982 %! 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
983 %! 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
984 %! 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
985 %! assert (nm.word1, 'short');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
986 %! assert (nm.word2, 'test');
5619
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman]
dbateman
parents: 5582
diff changeset
987
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
988 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
989 %! [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
990 %! 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
991 %! assert (t{1}{1}, 'John');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
992 %! assert (t{1}{2}, 'Davis');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
993 %! assert (t{2}{1}, 'Rogers');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
994 %! assert (t{2}{2}, 'James');
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]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
996 %! assert (nm.first{1}, 'John');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
997 %! assert (nm.first{2}, 'James');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
998 %! assert (nm.last{1}, 'Davis');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
999 %! assert (nm.last{2}, 'Rogers');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1000
14452
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683).
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1001 ## Tests for named tokens
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1002 %!test
17336
b81b9d079515 Use '##' for comments which stand alone on a line.
Rik <rik@octave.org>
parents: 17281
diff changeset
1003 %! ## Parenthesis in named token (ie (int)) causes a problem
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1004 %! assert (regexp ('qwe int asd', ['(?<typestr>(int))'], 'names'), struct ('typestr', 'int'));
10518
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
1005
22489
93ea313301f9 test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents: 22407
diff changeset
1006 %!test <35683>
93ea313301f9 test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents: 22407
diff changeset
1007 %! ## 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
1008 %! str = "abcde";
721be41ea988 Stop segfault when using regular expressions with named capture buffers (bug #35683).
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
1009 %! 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
1010 %! 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
1011 %! 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
1012 %! 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
1013 %! 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
1014
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1015 %!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
1016 %!assert (regexp ("abc\nabc", '.', 'dotall'), [1:7])
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1017 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1018 %! 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
1019 %! 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
1020 %! 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
1021
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1022 %!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
1023 %!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
1024 %!assert (regexp ("caseCaSe", 'case', "ignorecase"), [1,5])
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1025 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1026 %! 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
1027 %! assert (regexp ("caseCaSe", '(?i)case'), [1, 5]);
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1028
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1029 %!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
1030 %!assert (regexp ("abc\nabc", 'c$', "stringanchors"), 7)
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1031 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1032 %! assert (regexp ("abc\nabc", '(?-m)c$'), 7);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1033 %! assert (regexp ("abc\nabc", 'c$',"lineanchors"), [3, 7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1034 %! assert (regexp ("abc\nabc", '(?m)c$'), [3,7]);
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1035
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1036 %!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
1037 %!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
1038 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1039 %! 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
1040 %! 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
1041 %! 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
1042
14536
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1043 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1044 %! [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
1045 %! assert (s, [1 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1046 %! assert (e, [3 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1047 %! 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
1048 %! assert (m, { "OCT", "V" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1049 %! 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
1050 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1051 %! assert (sp, { "", "A", "E" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1052
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1053 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1054 %! [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
1055 %! assert (s, [1 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1056 %! assert (e, [3 5]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1057 %! assert (te, { [1 3], [5 5] });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1058 %! assert (m, { "OCT", "V" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1059 %! assert (t, { {"OCT"}, {"V"} });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1060 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1061 %! assert (sp, { "", "A", "E" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1062
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1063 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1064 %! [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
1065 %! assert (s, [1 4 5 6 7]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1066 %! assert (e, [3 3 5 5 6]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1067 %! 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
1068 %! assert (m, { "OCT", "", "V", "", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1069 %! 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
1070 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1071 %! assert (sp, { "", "", "A", "", "E", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1072
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1073 %!test
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1074 %! [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
1075 %! assert (s, [1 4 5 6 7]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1076 %! assert (e, [3 3 5 5 6]);
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1077 %! 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
1078 %! assert (m, { "OCT", "", "V", "", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1079 %! assert (t, { {"OCT"}, {""}, {"V"}, {""}, {""} });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1080 %! assert (isempty (fieldnames (nm)));
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1081 %! assert (sp, { "", "", "A", "", "E", "" });
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1082
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1083 %!error regexp ('string', 'tri', 'BadArg')
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1084 %!error regexp ('string')
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1085
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1086 %!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
1087 %!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
1088 %!assert (regexp ('Strings', {'t','s'}), {2, 7})
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1089
8093
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
1090 ## Test case for lookaround operators
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1091 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1092 %! 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
1093 %! 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
1094 %! 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
1095 %! 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
1096 %! 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
1097 %! 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
1098 %! 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
1099
13310
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1100 ## Tests for split option.
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1101 %!shared str
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1102 %! str = "foo bar foo";
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1103 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1104 %! [a, b] = regexp (str, "f..", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1105 %! assert (a, {"foo", "foo"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1106 %! assert (b, {"", " bar ", ""});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1107 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1108 %! [a, b] = regexp (str, "f..", "match", "split", "once");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1109 %! assert (a, "foo");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1110 %! assert (b, {"", " bar foo"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1111 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1112 %! [a, b] = regexp (str, "fx.", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1113 %! assert (a, cell (1, 0));
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1114 %! assert (b, {"foo bar foo"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1115 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1116 %! [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
1117 %! assert (a, "");;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1118 %! assert (b, "foo bar foo");
13310
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1119
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1120 %!shared str
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1121 %! str = "foo bar";
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1122 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1123 %! [a, b] = regexp (str, "f..", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1124 %! assert (a, {"foo"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1125 %! assert (b, {"", " bar"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1126 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1127 %! [a, b] = regexp (str, "b..", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1128 %! assert (a, {"bar"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1129 %! assert (b, {"foo ", ""});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1130 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1131 %! [a, b] = regexp (str, "x", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1132 %! assert (a, cell (1, 0));
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1133 %! assert (b, {"foo bar"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1134 %!test
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1135 %! [a, b] = regexp (str, "[o]+", "match", "split");
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1136 %! assert (a, {"oo"});
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1137 %! 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
1138
21317
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1139 %!assert (regexp ("\n", '\n'), 1)
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1140 %!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
1141
22489
93ea313301f9 test: Add bug ids (<#####>) to BIST tests.
Rik <rik@octave.org>
parents: 22407
diff changeset
1142 # Test escape sequences are silently converted
22599
51b395d24782 maint: strip tabs and trailing whitespace from C++ sources.
John W. Eaton <jwe@octave.org>
parents: 22489
diff changeset
1143 %!test <45407>
20290
b6a59cc96bfa Process backslashes in regexprep replacement strings in Matlab compatible fashion (bug #45407).
Rik <rik@octave.org>
parents: 20232
diff changeset
1144 %! 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
1145 %! 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
1146 %! 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
1147
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1148 */
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1149
15039
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14854
diff changeset
1150 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
1151 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
1152 @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
1153 @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
1154
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1155 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
1156
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1157 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
1158 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
1159 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
1160 @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
1161 @end deftypefn */)
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1162 {
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1163 if (args.length () < 2)
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1164 print_usage ();
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1165
20801
a542a9bf177e eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 20700
diff changeset
1166 if (args(0).is_cell () || args(1).is_cell ())
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
1167 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
1168 else
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
1169 return octregexp (args, nargout, "regexpi", true);
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1170 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1171
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1172 /*
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1173 ## segfault test
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1174 %!assert (regexpi ("abcde", "."), [1,2,3,4,5])
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1175
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1176 ## 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
1177 %!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
1178 %!assert (regexpi ('abcabc', 'ABC$'), 4)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1179 %!assert (regexpi ('abcabc', '^ABC$'), zeros (1,0))
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1180
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1181 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1182 %! [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
1183 %! 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
1184 %! 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
1185 %! 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
1186 %! 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
1187 %! assert (t, cell (1,0));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1188
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1189 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1190 %! [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
1191 %! assert (s, 2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1192 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1193 %! 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
1194 %! assert (m{1}, 'FiRetrUck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1195 %! assert (t{1}{1}, 'iRetr');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1196
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1197 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1198 %! [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
1199 %! assert (s, 2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1200 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1201 %! 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
1202 %! assert (m{1}, 'firetruck');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1203 %! assert (t{1}{1}, 'iretr');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1204
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1205 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1206 %! [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
1207 %! assert (s, [1, 12]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1208 %! assert (e, [5, 17]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1209 %! 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
1210 %! assert (isempty (te{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1211 %! assert (isempty (te{2}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1212 %! assert (m{1}, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1213 %! assert (m{2}, 'String');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1214 %! 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
1215 %! assert (isempty (t{1}));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1216 %! assert (isempty (t{2}));
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 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1219 %! [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
1220 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1221 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1222 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1223 %! assert (m, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1224 %! assert (isempty (t));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1225
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1226 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1227 %! [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
1228 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1229 %! assert (e, 5);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1230 %! assert (isempty (te));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1231 %! assert (m, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1232 %! assert (isempty (t));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1233
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1234 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1235 %! [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
1236 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1237 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1238 %! 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
1239 %! 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
1240 %! 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
1241 %! 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
1242 %! 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
1243 %! 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
1244 %! 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
1245 %! assert (! isempty (fieldnames (nm)));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1246 %! 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
1247 %! assert (nm.word1, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1248 %! assert (nm.word2, 'Test');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1249
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1250 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1251 %! [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
1252 %! assert (s, 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1253 %! assert (e, 10);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1254 %! 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
1255 %! 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
1256 %! 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
1257 %! 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
1258 %! 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
1259 %! 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
1260 %! 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
1261 %! 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
1262 %! 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
1263 %! assert (nm.word1, 'ShoRt');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1264 %! assert (nm.word2, 'Test');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1265
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1266 %!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
1267 %!assert (regexpi ("abc\nabc", '.', 'dotall'), [1:7])
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
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 %! 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
1270 %! 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
1271 %! 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
1272
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1273 %!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
1274 %!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
1275 %!assert (regexpi ("caseCaSe", 'case', "ignorecase"), [1, 5])
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 %! 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
1278 %! assert (regexpi ("caseCaSe", '(?i)case'), [1, 5]);
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1279
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1280 %!assert (regexpi ("abc\nabc", 'C$'), 7)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1281 %!assert (regexpi ("abc\nabc", 'C$', "stringanchors"), 7)
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1282 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1283 %! assert (regexpi ("abc\nabc", '(?-m)C$'), 7);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1284 %! assert (regexpi ("abc\nabc", 'C$', "lineanchors"), [3, 7]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1285 %! assert (regexpi ("abc\nabc", '(?m)C$'), [3, 7]);
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1286
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1287 %!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
1288 %!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
1289 %!test
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1290 %! 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
1291 %! 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
1292 %! 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
1293
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1294 %!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
1295 %!error regexpi ('string')
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1296
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1297 %!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
1298 %!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
1299 %!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
1300 %!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
1301
21317
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1302 %!assert (regexpi ("\n", '\n'), 1)
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1303 %!assert (regexpi ("\n", "\n"), 1)
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1304 */
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1305
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1306 static octave_value
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1307 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
1308 {
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1309 int nargin = args.length ();
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1310
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1311 // Make sure we have string, pattern, replacement
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1312 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
1313
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
1314 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
1315
22724
611794516332 Fix regexp handling of beginning/end word match for double-quoted pattern strings (bug #49451).
Rik <rik@octave.org>
parents: 22599
diff changeset
1316 // Rewrite pattern for PCRE
611794516332 Fix regexp handling of beginning/end word match for double-quoted pattern strings (bug #49451).
Rik <rik@octave.org>
parents: 22599
diff changeset
1317 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
1318
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
1319 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
1320
14543
e47d929fde8f process backslash string escapes in regexp pattern and regexprep replacement (bug #35911)
John W. Eaton <jwe@octave.org>
parents: 14536
diff changeset
1321 // 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
1322 if (args(2).is_sq_string ())
15541
9db32cabeacf Fix backslash handling in regexp pattern (Bug #37092)
Rik <rik@octave.org>
parents: 15195
diff changeset
1323 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
1324
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1325 // Pack options excluding 'tokenize' and various output
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1326 // reordering strings into regexp arg list
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1327 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
1328
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1329 int len = 0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1330 for (int i = 3; i < nargin; i++)
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1331 {
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1332 const std::string opt = args(i).string_value ();
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1333 if (opt != "tokenize" && opt != "start" && opt != "end"
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1334 && opt != "tokenextents" && opt != "match" && opt != "tokens"
13310
583940a28bfd handle "split" option for regexp
John W. Eaton <jwe@octave.org>
parents: 13227
diff changeset
1335 && opt != "names" && opt != "split" && opt != "warnings")
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1336 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1337 regexpargs(len++) = args(i);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1338 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1339 }
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1340 regexpargs.resize (len);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1341
22333
2758af148ced move base_list and regexp classes to octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1342 octave::regexp::opts options;
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1343 bool extra_args = false;
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1344 parse_options (options, regexpargs, who, 0, extra_args);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1345
22333
2758af148ced move base_list and regexp classes to octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1346 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
1347 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1348
15039
e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents: 14854
diff changeset
1349 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
1350 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
1351 @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
1352 @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
1353 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
1354
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1355 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
1356 @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
1357
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1358 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
1359 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
1360
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1361 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1362 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
1363 @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
1364
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1365 @noindent
22299
9fc91bb2aec3 doc: grammarcheck documentation for 4.2 release.
Rik <rik@octave.org>
parents: 22197
diff changeset
1366 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
1367
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1368 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
1369
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1370 @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
1371
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1372 @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
1373 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
1374
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1375 @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
1376 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
1377
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1378 @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
1379
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1380 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
1381 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
1382 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
1383 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
1384 "@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
1385 function.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
1386 @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
1387 @end deftypefn */)
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1388 {
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1389 if (args.length () < 3)
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1390 print_usage ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1391
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1392 octave_value_list retval;
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1393
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1394 if (args(0).is_cell () || args(1).is_cell () || args(2).is_cell ())
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1395 {
20821
b169da150702 Eliminate unnecessary uses of nargin.
Rik <rik@octave.org>
parents: 20819
diff changeset
1396 Cell str, pat, rep;
6495
fd09c7e8c4c9 [project @ 2007-04-05 16:18:20 by dbateman]
dbateman
parents: 6361
diff changeset
1397 dim_vector dv0;
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1398 dim_vector dv1 (1, 1);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1399
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1400 if (args(0).is_cell ())
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1401 str = args(0).cell_value ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1402 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1403 str = Cell (args(0));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1404
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1405 if (args(1).is_cell ())
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1406 pat = args(1).cell_value ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1407 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1408 pat = Cell (args(1));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1409
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1410 if (args(2).is_cell ())
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1411 rep = args(2).cell_value ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1412 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1413 rep = Cell (args(2));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1414
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1415 dv0 = str.dims ();
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1416 if (pat.numel () != 1)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1417 {
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1418 dv1 = pat.dims ();
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1419 if (rep.numel () != 1 && dv1 != rep.dims ())
14024
fc9f204faea0 refactor regexp (bug #34440)
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1420 error ("regexprep: inconsistent cell array dimensions");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1421 }
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1422 else if (rep.numel () != 1)
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1423 dv1 = rep.dims ();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1424
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1425 Cell ret (dv0);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1426 octave_value_list new_args = args;
13227
9559417aa965 maint: regexp.cc style fixes
John W. Eaton <jwe@octave.org>
parents: 12642
diff changeset
1427
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1428 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
1429 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1430 new_args(0) = str(i);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1431 if (pat.numel () == 1)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1432 new_args(1) = pat(0);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1433 if (rep.numel () == 1)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1434 new_args(2) = rep(0);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1435
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1436 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
1437 {
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1438 if (pat.numel () != 1)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1439 new_args(1) = pat(j);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1440 if (rep.numel () != 1)
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1441 new_args(2) = rep(j);
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1442 new_args(0) = octregexprep (new_args, "regexprep");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1443 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1444
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1445 ret(i) = new_args(0);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1446 }
20558
1a0a433c8263 eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20290
diff changeset
1447
20939
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
1448 retval = args(0).is_cell () ? ovl (ret)
b17fda023ca6 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents: 20853
diff changeset
1449 : ovl (ret(0));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1450 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1451 else
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1452 retval = octregexprep (args, "regexprep");
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1453
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1454 return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1455 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1456
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1457 /*
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1458 %!test # Replace with empty
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1459 %! 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
1460 %! t = regexprep (xml, '<[!?][^>]*>', '');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1461 %! assert (t, ' <tag v="hello">some stuff</tag>');
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1462
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1463 %!test # Replace with non-empty
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1464 %! 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
1465 %! t = regexprep (xml, '<[!?][^>]*>', '?');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1466 %! assert (t, '? <tag v="hello">some stuff?</tag>');
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1467
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1468 %!test # Check that 'tokenize' is ignored
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1469 %! 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
1470 %! t = regexprep (xml, '<[!?][^>]*>', '', 'tokenize');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1471 %! assert (t, ' <tag v="hello">some stuff</tag>');
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1472
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
1473 ## Test capture replacement
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1474 %!test
7242
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1475 %! data = "Bob Smith\nDavid Hollerith\nSam Jenkins";
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1476 %! 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
1477 %! 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
1478 %! assert (t, result);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1479
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
1480 ## 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
1481 %!assert (regexprep ('hello', 'world', 'earth'), 'hello')
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1482
14536
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1483 ## Test emptymatch
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1484 %!assert (regexprep ('World', '^', 'Hello '), 'World')
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1485 %!assert (regexprep ('World', '^', 'Hello ', 'emptymatch'), 'Hello World')
6d5c951ec520 Add 'emptymatch', 'noemptymatch' options to regular expressions.
Rik <octave@nomad.inbox5.com>
parents: 14501
diff changeset
1486
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1487 ## 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
1488 %!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
1489
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1490 ## Make sure it works at the beginning and end
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1491 %!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
1492 %!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
1493
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1494 ## Options
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1495 %!assert (regexprep ("a[b]c{d}e-f=g", "[^A-Za-z0-9_]", "_", "once"), "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
1496 %!assert (regexprep ("a[b]c{d}e-f=g", "[^A-Z0-9_]", "_", "ignorecase"), "a_b_c_d_e_f_g")
5785
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 ## Option combinations
14501
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents: 14496
diff changeset
1499 %!assert (regexprep ("a[b]c{d}e-f=g", "[^A-Z0-9_]", "_", "once", "ignorecase"), "a_b]c{d}e-f=g")
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1500
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1501 ## End conditions on replacement
21317
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1502 %!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
1503 %!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
1504 %!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
1505 %!assert (regexprep ("abc", "(b)", "$1.."), "ab..c")
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1506
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1507 ## 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
1508 %!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
1509 %!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
1510 %!assert (regexprep ({"abc","cba"}, {"b","a"}, {"?","!"}), {"!?c","c?!"})
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1511
8093
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
1512 # Nasty lookbehind expression
21575
bc9aa534bc29 maint: Clean up BIST tests so they don't produce warnings.
Rik <rik@octave.org>
parents: 21547
diff changeset
1513 %!test
bc9aa534bc29 maint: Clean up BIST tests so they don't produce warnings.
Rik <rik@octave.org>
parents: 21547
diff changeset
1514 %! warning ("off", "Octave:regexp-lookbehind-limit", "local");
bc9aa534bc29 maint: Clean up BIST tests so they don't produce warnings.
Rik <rik@octave.org>
parents: 21547
diff changeset
1515 %! assert (regexprep ('x^(-1)+y(-1)+z(-1)=0', '(?<=[a-z]+)\(\-[1-9]*\)', '_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
1516
21317
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21301
diff changeset
1517 %!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
1518 %!assert (regexprep ("\n", "\n", "X"), "X")
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1519 */