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1 ;;; -*- coding: iso-8859-1 -*-
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2
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1612
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3 ;; Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc.
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446
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4
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5 ;; Author: Yoshiki Hayashi <yoshiki@xemacs.org>
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1612
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6 ;; Maintainer: Stephen J. Turnbull <stephen@xemacs.org>
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446
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7 ;; Created: 2000
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8 ;; Keywords: tests
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9
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10 ;; This file is part of XEmacs.
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11
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12 ;; XEmacs is free software; you can redistribute it and/or modify it
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13 ;; under the terms of the GNU General Public License as published by
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14 ;; the Free Software Foundation; either version 2, or (at your option)
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15 ;; any later version.
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16
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17 ;; XEmacs is distributed in the hope that it will be useful, but
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18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 ;; General Public License for more details.
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21
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22 ;; You should have received a copy of the GNU General Public License
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23 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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24 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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25 ;; 02111-1307, USA.
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26
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27 ;;; Synched up with: Not in FSF.
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28
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29 ;;; Commentary:
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30
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31 ;; Test regular expression.
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32
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33 (Check-Error-Message error "Trailing backslash"
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34 (string-match "\\" "a"))
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35 (Check-Error-Message error "Invalid preceding regular expression"
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36 (string-match "a++" "a"))
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37 (Check-Error-Message error "Invalid preceding regular expression"
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38 (string-match "a**" "a"))
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39 (Check-Error-Message error "Invalid preceding regular expression"
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40 (string-match "a???" "a"))
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41 (Check-Error-Message error "Unmatched \\[ or \\[^"
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42 (string-match "[" "a"))
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43 (Check-Error-Message error "Unmatched \\[ or \\[^"
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44 (string-match "[abc" "a"))
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45 (Check-Error-Message error "Unmatched ) or \\\\)"
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46 (string-match "\\)" "a"))
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47 (Check-Error-Message error "Invalid regular expression"
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48 (string-match "\\(?.\\)" "a"))
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49 (Check-Error-Message error "Unmatched \\\\{"
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50 (string-match "a\\{" "a"))
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51 (Check-Error-Message error "Invalid content of \\\\{\\\\}"
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52 (string-match "a\\{a\\}" "a"))
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53
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54 ;; exactn
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55
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56 ;; string-match
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57 (with-temp-buffer
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58 ;; case-insensitive
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59 (Assert (string-match "ä" "ä"))
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60 (Assert (string-match "ä" "Ä"))
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61 (Assert (string-match "Ä" "Ä"))
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62 (Assert (string-match "Ä" "ä"))
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63 ;; case-sensitive
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64 (setq case-fold-search nil)
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65 (Assert (string-match "ä" "ä"))
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66 (Assert (not (string-match "ä" "Ä")))
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67 (Assert (string-match "Ä" "Ä"))
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68 (Assert (not (string-match "Ä" "ä"))))
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69
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70 ;; looking-at
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71 (with-temp-buffer
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72 (insert "äÄ")
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73 ;; case-insensitive
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74 (goto-char (point-min))
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75 (Assert (looking-at "ä"))
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76 (Assert (looking-at "Ä"))
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77 (forward-char)
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78 (Assert (looking-at "ä"))
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79 (Assert (looking-at "Ä"))
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80 ;; case-sensitive
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81 (setq case-fold-search nil)
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82 (goto-char (point-min))
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83 (Assert (looking-at "ä"))
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84 (Assert (not (looking-at "Ä")))
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85 (forward-char)
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86 (Assert (not (looking-at "ä")))
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87 (Assert (looking-at "Ä")))
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88
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89 ;; re-search-forward and re-search-backward
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90 (with-temp-buffer
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91 (insert "äÄ")
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92 ;; case insensitive
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93 ;; forward
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94 (goto-char (point-min))
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95 ;; Avoid trivial regexp.
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96 (Assert (eq 2 (re-search-forward "ä\\|a" nil t)))
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97 (goto-char (point-min))
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98 (Assert (eq 2 (re-search-forward "Ä\\|a" nil t)))
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99 (goto-char (1+ (point-min)))
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100 (Assert (eq 3 (re-search-forward "ä\\|a" nil t)))
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101 (goto-char (1+ (point-min)))
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102 (Assert (eq 3 (re-search-forward "Ä\\|a" nil t)))
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103 ;; backward
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104 (goto-char (point-max))
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105 (Assert (eq 2 (re-search-backward "ä\\|a" nil t)))
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106 (goto-char (point-max))
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107 (Assert (eq 2 (re-search-backward "Ä\\|a" nil t)))
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108 (goto-char (1- (point-max)))
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109 (Assert (eq 1 (re-search-backward "ä\\|a" nil t)))
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110 (goto-char (1- (point-max)))
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111 (Assert (eq 1 (re-search-backward "Ä\\|a" nil t)))
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112 ;; case sensitive
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113 (setq case-fold-search nil)
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114 ;; forward
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115 (goto-char (point-min))
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116 (Assert (eq 2 (re-search-forward "ä\\|a" nil t)))
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117 (goto-char (point-min))
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118 (Assert (eq 3 (re-search-forward "Ä\\|a" nil t)))
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119 (goto-char (1+ (point-min)))
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120 (Assert (not (re-search-forward "ä\\|a" nil t)))
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121 (goto-char (1+ (point-min)))
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122 (Assert (eq 3 (re-search-forward "Ä\\|a" nil t)))
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123 ;; backward
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124 (goto-char (point-max))
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125 (Assert (eq 1 (re-search-backward "ä\\|a" nil t)))
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126 (goto-char (point-max))
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127 (Assert (eq 2 (re-search-backward "Ä\\|a" nil t)))
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128 (goto-char (1- (point-max)))
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129 (Assert (eq 1 (re-search-backward "ä\\|a" nil t)))
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130 (goto-char (1- (point-max)))
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131 (Assert (not (re-search-backward "Ä\\|a" nil t))))
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132
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133 ;; duplicate
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134 (with-temp-buffer
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135 ;; case insensitive
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136 (Assert (string-match "^\\(ä\\)\\1$" "ää"))
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137 (Assert (string-match "^\\(ä\\)\\1$" "äÄ"))
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138 (Assert (string-match "^\\(ä\\)\\1$" "ÄÄ"))
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139 (Assert (string-match "^\\(ä\\)\\1$" "Ää"))
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140 (Assert (string-match "^\\(Ä\\)\\1$" "ää"))
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141 (Assert (string-match "^\\(Ä\\)\\1$" "äÄ"))
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142 (Assert (string-match "^\\(Ä\\)\\1$" "ÄÄ"))
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143 (Assert (string-match "^\\(Ä\\)\\1$" "Ää"))
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144 ;; case sensitive
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145 (setq case-fold-search nil)
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146 (Assert (string-match "^\\(ä\\)\\1$" "ää"))
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147 (Assert (not (string-match "^\\(ä\\)\\1$" "äÄ")))
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148 (Assert (not (string-match "^\\(ä\\)\\1$" "ÄÄ")))
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149 (Assert (not (string-match "^\\(ä\\)\\1$" "Ää")))
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150 (Assert (not (string-match "^\\(Ä\\)\\1$" "ää")))
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151 (Assert (not (string-match "^\\(Ä\\)\\1$" "äÄ")))
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152 (Assert (string-match "^\\(Ä\\)\\1$" "ÄÄ"))
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153 (Assert (not (string-match "^\\(Ä\\)\\1$" "Ää"))))
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154
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1714
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155 ;; multiple-match
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156 ;; Thanks to Manfred Bartz <MBartz@xix.com>
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157 ;; c.e.x <vn4rkkm7ouf3b5@corp.supernews.com>
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158 ;; #### Need to do repetitions of more complex regexps
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159 ;; #### WASH ME!
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160 (with-temp-buffer
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161 (Assert (not (string-match "^a\\{4,4\\}$" "aaa")))
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162 (Assert (string-match "^a\\{4,4\\}$" "aaaa"))
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163 (Assert (not (string-match "^a\\{4,4\\}$" "aaaaa")))
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164 (Assert (not (string-match "^[a]\\{4,4\\}$" "aaa")))
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165 (Assert (string-match "^[a]\\{4,4\\}$" "aaaa"))
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166 (Assert (not (string-match "^[a]\\{4,4\\}$" "aaaaa")))
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167 (Assert (not (string-match "^\\(a\\)\\{4,4\\}$" "aaa")))
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168 (Assert (string-match "^\\(a\\)\\{4,4\\}$" "aaaa"))
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169 (Assert (not (string-match "^\\(a\\)\\{4,4\\}$" "aaaaa")))
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170 ;; Use class because repetition of single char broken in 21.5.15
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171 (Assert (not (string-match "^[a]\\{3,5\\}$" "aa")))
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172 (Assert (string-match "^[a]\\{3,5\\}$" "aaa"))
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173 (Assert (string-match "^[a]\\{3,5\\}$" "aaaa"))
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174 (Assert (string-match "^[a]\\{3,5\\}$" "aaaaa"))
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175 (Assert (not (string-match "^[a]\\{3,5\\}$" "aaaaaa")))
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176 (insert "\
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177 aa
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178 aaa
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179 aaaa
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180 aaaaa
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181 aaaaaa
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182 baaaa
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183 ")
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184 (goto-char (point-min))
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185 (forward-line 1)
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186 (Assert (not (looking-at "^a\\{4,4\\}$")))
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187 (forward-line 1)
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188 (Assert (looking-at "^a\\{4,4\\}$"))
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189 (forward-line 1)
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190 (Assert (not (looking-at "^a\\{4,4\\}$")))
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191 (goto-char (point-min))
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192 (forward-line 1)
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193 (Assert (not (looking-at "^[a]\\{4,4\\}$")))
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194 (forward-line 1)
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195 (Assert (looking-at "^[a]\\{4,4\\}$"))
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196 (forward-line 1)
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197 (Assert (not (looking-at "^[a]\\{4,4\\}$")))
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198 (goto-char (point-min))
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199 (forward-line 1)
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200 (Assert (not (looking-at "^\\(a\\)\\{4,4\\}$")))
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201 (forward-line 1)
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202 (Assert (looking-at "^\\(a\\)\\{4,4\\}$"))
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203 (forward-line 1)
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204 (Assert (not (looking-at "^\\(a\\)\\{4,4\\}$")))
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205 ;; Use class because repetition of single char broken in 21.5.15
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206 (goto-char (point-min))
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207 (Assert (not (looking-at "^[a]\\{3,5\\}$")))
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208 (forward-line 1)
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209 (Assert (looking-at "^[a]\\{3,5\\}$"))
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210 (forward-line 1)
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211 (Assert (looking-at "^[a]\\{3,5\\}$"))
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212 (forward-line 1)
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213 (Assert (looking-at "^[a]\\{3,5\\}$"))
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214 (forward-line 1)
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215 (Assert (not (looking-at "^[a]\\{3,5\\}$")))
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216 (goto-char (point-min))
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217 (Assert (= 12 (re-search-forward "a\\{4,4\\}")))
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218 (goto-char (point-min))
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219 (Assert (= 12 (re-search-forward "b?a\\{4,4\\}")))
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220 (goto-char (point-min))
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221 (Assert (= 31 (re-search-forward "ba\\{4,4\\}")))
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222 (goto-char (point-min))
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223 (Assert (= 31 (re-search-forward "[b]a\\{4,4\\}")))
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224 (goto-char (point-min))
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225 (Assert (= 31 (re-search-forward "\\(b\\)a\\{4,4\\}")))
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226 (goto-char (point-min))
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227 (Assert (= 12 (re-search-forward "^a\\{4,4\\}")))
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228 (goto-char (point-min))
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229 (Assert (= 12 (re-search-forward "^a\\{4,4\\}$")))
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230 (goto-char (point-min))
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231 (Assert (= 12 (re-search-forward "[a]\\{4,4\\}")))
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232 (goto-char (point-min))
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233 (Assert (= 12 (re-search-forward "^[a]\\{4,4\\}")))
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234 (goto-char (point-min))
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235 (Assert (= 12 (re-search-forward "^[a]\\{4,4\\}$")))
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236 )
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237
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446
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238 ;; charset, charset_not
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239 ;; Not called because it takes too much time.
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240 (defun test-regexp-charset-paranoid ()
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241 (let ((i 0)
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242 (max (expt 2 (if (featurep 'mule) 19 8)))
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243 (range "[a-z]")
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244 (range-not "[^a-z]")
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245 char string)
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246 (while (< i max)
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247 (when (setq char (int-to-char i))
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248 (setq string (char-to-string char))
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249 (if (or (and (<= 65 i)
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250 (<= i 90))
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251 (and (<= 97 i)
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252 (<= i 122)))
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253 (progn
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254 (Assert (string-match range string))
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255 (Assert (not (string-match range-not string))))
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256 (Assert (not (string-match range string)))
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257 (Assert (string-match range-not string))))
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258 (setq i (1+ i)))))
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259
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260 ;; (test-regexp-charset-paranoid)
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261
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262 ;; charset_mule, charset_mule_not
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263 ;; Not called because it takes too much time.
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264 (defun test-regex-charset-mule-paranoid ()
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265 (if (featurep 'mule)
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266 (let ((i 0)
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267 (max (expt 2 19))
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268 (range (format "[%c-%c]"
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269 (make-char 'japanese-jisx0208 36 34)
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270 (make-char 'japanese-jisx0208 36 42)))
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271 (range-not (format "[^%c-%c]"
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272 (make-char 'japanese-jisx0208 36 34)
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273 (make-char 'japanese-jisx0208 36 42)))
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274 (min-int (char-to-int (make-char 'japanese-jisx0208 36 34)))
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275 (max-int (char-to-int (make-char 'japanese-jisx0208 36 42)))
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276 char string)
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277 (while (< i max)
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278 (when (setq char (int-to-char i))
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279 (setq string (char-to-string char))
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280 (if (and (<= min-int i)
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281 (<= i max-int))
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282 (progn
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283 (Assert (string-match range string))
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284 (Assert (not (string-match range-not string))))
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285 (Assert (not (string-match range string)))
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286 (Assert (string-match range-not string))))
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287 (setq i (1+ i))))))
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288
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289 ;; (test-regex-charset-mule-paranoid)
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448
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290
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1472
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291 ;; Test that replace-match does not clobber registers after a failed match
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448
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292 (with-temp-buffer
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293 (insert "This is a test buffer.")
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294 (goto-char (point-min))
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295 (search-forward "this is a test ")
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296 (looking-at "Unmatchable text")
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1472
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297 (replace-match "")
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298 (Assert (looking-at "^buffer.$")))
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1024
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299
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300 ;; Test that trivial regexps reset unused registers
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301 ;; Thanks to Martin Sternholm for the report.
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302 ;; xemacs-beta <5blm6h2ki5.fsf@lister.roxen.com>
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303 (with-temp-buffer
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304 (insert "ab")
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305 (goto-char (point-min))
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306 (re-search-forward "\\(a\\)")
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1175
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307 ;; test the whole-match data, too -- one attempted fix scotched that, too!
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1024
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308 (Assert (string= (match-string 0) "a"))
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309 (Assert (string= (match-string 1) "a"))
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310 (re-search-forward "b")
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311 (Assert (string= (match-string 0) "b"))
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312 (Assert (string= (match-string 1) nil)))
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313
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314 ;; Test word boundaries
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1095
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315 (Assert (= (string-match "\\<a" " a") 1))
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316 (Assert (= (string-match "a\\>" "a ") 0))
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1024
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317 (Assert (= (string-match "\\ba" " a") 1))
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318 (Assert (= (string-match "a\\b" "a ") 0))
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319 ;; should work at target boundaries
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320 (Assert (= (string-match "\\<a" "a") 0))
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321 (Assert (= (string-match "a\\>" "a") 0))
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322 (Assert (= (string-match "\\ba" "a") 0))
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323 (Assert (= (string-match "a\\b" "a") 0))
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1095
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324 ;; Check for weirdness
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325 (Assert (not (string-match " \\> " " ")))
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326 (Assert (not (string-match " \\< " " ")))
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327 (Assert (not (string-match " \\b " " ")))
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1024
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328 ;; but not if the "word" would be on the null side of the boundary!
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329 (Assert (not (string-match "\\<" "")))
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330 (Assert (not (string-match "\\>" "")))
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331 (Assert (not (string-match " \\<" " ")))
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332 (Assert (not (string-match "\\> " " ")))
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333 (Assert (not (string-match "a\\<" "a")))
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334 (Assert (not (string-match "\\>a" "a")))
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1389
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335 ;; Added Known-Bug 2002-09-09 sjt
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336 ;; Fixed bug 2003-03-21 sjt
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337 (Assert (not (string-match "\\b" "")))
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338 (Assert (not (string-match "\\b" " ")))
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339 (Assert (not (string-match " \\b" " ")))
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340 (Assert (not (string-match "\\b " " ")))
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1175
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341
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342 ;; Character classes are broken in Mule as of 21.5.9
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343 ;; Added Known-Bug 2002-12-27
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1413
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344 ;; Fixed by Daiki Ueno 2003-03-24
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1175
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345 (if (featurep 'mule)
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346 ;; note: (int-to-char 65) => ?A
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347 (let ((ch0 (make-char 'japanese-jisx0208 52 65))
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348 (ch1 (make-char 'japanese-jisx0208 51 65)))
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349 (Assert (not (string-match "A" (string ch0))))
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350 (Assert (not (string-match "[A]" (string ch0))))
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1413
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351 (Assert (eq (string-match "[^A]" (string ch0)) 0))
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1175
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352 (Assert (not (string-match "@A" (string ?@ ch0))))
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1413
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353 (Assert (not (string-match "@[A]" (string ?@ ch0))))
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354 (Assert (eq (string-match "@[^A]" (string ?@ ch0)) 0))
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1175
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355 (Assert (not (string-match "@?A" (string ?@ ch0))))
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356 (Assert (not (string-match "A" (string ch1))))
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357 (Assert (not (string-match "[A]" (string ch1))))
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358 (Assert (eq (string-match "[^A]" (string ch1)) 0))
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359 (Assert (not (string-match "@A" (string ?@ ch1))))
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360 (Assert (not (string-match "@[A]" (string ?@ ch1))))
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361 (Assert (eq (string-match "@[^A]" (string ?@ ch1)) 0))
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1413
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362 (Assert (not (string-match "@?A" (string ?@ ch1))))
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363 )
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364 )
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1195
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365
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366 ;; More stale match data tests.
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367 ;; Thanks to <bjacob@ca.metsci.com>.
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1425
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368 ;; These tests used to fail because we cleared match data only on success.
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369 ;; Fixed 2003-04-17.
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1612
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370 ;; Must change sense of failing tests 2003-05-09. Too much code depends on
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371 ;; failed matches preserving match-data.
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1472
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372 (let ((a "a"))
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373 (Assert (string= (progn (string-match "a" a)
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374 (string-match "b" a)
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375 (match-string 0 a))
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376 a))
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377 (Assert (not (progn (string-match "a" a)
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378 (string-match "b" a)
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379 (match-string 1 a))))
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380 ;; test both for the second match is a plain string match and a regexp match
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381 (Assert (string= (progn (string-match "\\(a\\)" a)
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382 (string-match "\\(b\\)" a)
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383 (match-string 0 a))
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384 a))
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385 (Assert (string= (progn (string-match "\\(a\\)" a)
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386 (string-match "b" a)
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387 (match-string 0 a))
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388 a))
|
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389 (Assert (string= (progn (string-match "\\(a\\)" a)
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390 (string-match "\\(b\\)" a)
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391 (match-string 1 a))
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|
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392 a))
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|
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393 (Assert (string= (progn (string-match "\\(a\\)" a)
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394 (string-match "b" a)
|
|
|
395 (match-string 1 a))
|
|
|
396 a)))
|
|
2254
|
397
|
|
|
398 ;; bug identified by Katsumi Yamaoka 2004-09-03 <b9ywtzbbpue.fsf_-_@jpl.org>
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|
|
399 ;; fix submitted by sjt 2004-09-08
|
|
|
400 ;; trailing comments are values from buggy 21.4.15
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|
|
401 (let ((text "abc"))
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|
|
402 (Assert (eq 0 (string-match "\\(?:ab+\\)*c" text))) ; 2
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|
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403 (Assert (eq 0 (string-match "^\\(?:ab+\\)*c" text))) ; nil
|
|
|
404 (Assert (eq 0 (string-match "^\\(?:ab+\\)*" text))) ; 0
|
|
|
405 (Assert (eq 0 (string-match "^\\(?:ab+\\)c" text))) ; 0
|
|
|
406 (Assert (eq 0 (string-match "^\\(?:ab\\)*c" text))) ; 0
|
|
|
407 (Assert (eq 0 (string-match "^\\(?:a+\\)*b" text))) ; nil
|
|
|
408 (Assert (eq 0 (string-match "^\\(?:a\\)*b" text))) ; 0
|
|
|
409 )
|
|
|
410
|
