1<?xml version="1.0" encoding="UTF-8"?> 2<helpdocument version="1.0"> 3 4<!--*********************************************************** 5 * 6 * Licensed to the Apache Software Foundation (ASF) under one 7 * or more contributor license agreements. See the NOTICE file 8 * distributed with this work for additional information 9 * regarding copyright ownership. The ASF licenses this file 10 * to you under the Apache License, Version 2.0 (the 11 * "License"); you may not use this file except in compliance 12 * with the License. You may obtain a copy of the License at 13 * 14 * http://www.apache.org/licenses/LICENSE-2.0 15 * 16 * Unless required by applicable law or agreed to in writing, 17 * software distributed under the License is distributed on an 18 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 19 * KIND, either express or implied. See the License for the 20 * specific language governing permissions and limitations 21 * under the License. 22 * 23 ***********************************************************--> 24 25 26 27 28<meta> 29 <topic id="textshared0102100001xml" indexer="include" status="PUBLISH"> 30 <title xml-lang="en-US" id="tit">List of Regular Expressions</title> 31 <filename>/text/shared/01/02100001.xhp</filename> 32 </topic> 33 </meta> 34 <body> 35<bookmark xml-lang="en-US" branch="index" id="bm_id3146765"><bookmark_value>regular expressions; list of</bookmark_value> 36 <bookmark_value>lists;regular expressions</bookmark_value> 37 <bookmark_value>replacing;tab stops (regular expressions)</bookmark_value> 38 <bookmark_value>tab stops;regular expressions</bookmark_value> 39 <bookmark_value>concatenation, see ampersand symbol</bookmark_value> 40 <bookmark_value>ampersand symbol, see also operators</bookmark_value> 41</bookmark><comment>mw added "replacing;" and "tab stops;"</comment> 42<paragraph xml-lang="en-US" id="hd_id3146765" role="heading" level="1" l10n="U" 43 oldref="203"><variable id="02100001"><link href="text/shared/01/02100001.xhp">List of Regular Expressions</link> 44</variable></paragraph> 45 <table id="tbl_id3149517"> 46 <tablerow> 47 <tablecell> 48 <paragraph xml-lang="en-US" id="par_id3149741" role="tablehead" l10n="U" oldref="17">Character</paragraph> 49 </tablecell> 50 <tablecell> 51 <paragraph xml-lang="en-US" id="par_id3155577" role="tablehead" l10n="U" oldref="18">Result/Use</paragraph> 52 </tablecell> 53 </tablerow> 54 <tablerow> 55 <tablecell> 56 <paragraph xml-lang="en-US" id="par_id6600543" role="tablecontent" l10n="NEW">Any character</paragraph> 57 </tablecell> 58 <tablecell> 59 <paragraph xml-lang="en-US" id="par_id9824518.00000001" role="tablecontent" l10n="CHG">Represents the given character unless otherwise specified.</paragraph> 60 </tablecell> 61 </tablerow> 62 <tablerow> 63 <tablecell> 64 <paragraph xml-lang="en-US" id="par_id3152427" role="tablecontent" l10n="U" oldref="19">.</paragraph> 65 </tablecell> 66 <tablecell> 67 <paragraph xml-lang="en-US" id="par_id3149031" role="tablecontent" l10n="CHG" oldref="20">Represents any single character except for a line break or paragraph break. For example, the search term "sh.rt" returns both "shirt" and "short".</paragraph> 68 </tablecell> 69 </tablerow> 70 <tablerow> 71 <tablecell> 72 <paragraph xml-lang="en-US" id="par_id3154682" role="tablecontent" l10n="CHG" oldref="21">^</paragraph> 73 </tablecell> 74 <tablecell> 75 <paragraph xml-lang="en-US" id="par_id3155351" role="tablecontent" l10n="CHG" oldref="22">Only finds the search term if the term is at the beginning of a paragraph. Special objects such as empty fields or character-anchored frames, at the beginning of a paragraph are ignored. Example: "^Peter".</paragraph> 76 </tablecell> 77 </tablerow> 78 <tablerow> 79 <tablecell> 80 <paragraph xml-lang="en-US" id="par_id3159194" role="tablecontent" l10n="CHG" oldref="23">$</paragraph> 81 </tablecell> 82 <tablecell> 83 <paragraph xml-lang="en-US" id="par_id3152542" role="tablecontent" l10n="CHG" oldref="24">Only finds the search term if the term appears at the end of a paragraph. Special objects such as empty fields or character-anchored frames at the end of a paragraph are ignored. Example: "Peter$".</paragraph> 84 </tablecell> 85 </tablerow> 86 <tablerow> 87 <tablecell> 88 <paragraph xml-lang="en-US" id="par_id3156414" role="tablecontent" l10n="U" oldref="25">*</paragraph> 89 </tablecell> 90 <tablecell> 91 <paragraph xml-lang="en-US" id="par_id3155555" role="tablecontent" l10n="CHG" oldref="26">Finds zero or more of the characters in front of the "*". For example, "Ab*c" finds "Ac", "Abc", "Abbc", "Abbbc", and so on.</paragraph> 92 </tablecell> 93 </tablerow> 94 <tablerow> 95 <tablecell> 96 <paragraph xml-lang="en-US" id="par_id3147399" role="tablecontent" l10n="U" oldref="27">+</paragraph> 97 </tablecell> 98 <tablecell> 99 <paragraph xml-lang="en-US" id="par_id3157958" role="tablecontent" l10n="CHG" oldref="28">Finds one or more of the characters in front of the "+". For example, "AX.+4" finds "AXx4", but not "AX4".</paragraph> 100 <paragraph xml-lang="en-US" id="par_id3145313" role="tablecontent" l10n="U" oldref="207">The longest possible string that matches this search pattern in a paragraph is always found. If the paragraph contains the string "AX 4 AX4", the entire passage is highlighted.</paragraph> 101 </tablecell> 102 </tablerow> 103 <tablerow> 104 <tablecell> 105 <paragraph xml-lang="en-US" id="par_id3143267" role="tablecontent" l10n="U" oldref="199">?</paragraph> 106 </tablecell> 107 <tablecell> 108 <paragraph xml-lang="en-US" id="par_id3153684" role="tablecontent" l10n="CHG" oldref="200">Finds zero or one of the characters in front of the "?". For example, "Texts?" finds "Text" and "Texts" and "x(ab|c)?y" finds "xy", "xaby", or "xcy".</paragraph> 109 </tablecell> 110 </tablerow> 111 <tablerow> 112 <tablecell> 113 <paragraph xml-lang="en-US" id="par_id3166410" role="tablecontent" l10n="U" oldref="158">\</paragraph> 114 </tablecell> 115 <tablecell> 116 <paragraph xml-lang="en-US" id="par_id3147209" role="tablecontent" l10n="CHG" oldref="159">Search interprets the special character that follows the "\" as a normal character and not as a regular expression (except for the combinations \n, \t, \>, and \<). For example, "tree\." finds "tree.", not "treed" or "trees".</paragraph> 117 </tablecell> 118 </tablerow> 119 <tablerow> 120 <tablecell> 121 <paragraph xml-lang="en-US" id="par_id3152945" role="tablecontent" l10n="U" oldref="166">\n</paragraph> 122 </tablecell> 123 <tablecell> 124 <paragraph xml-lang="en-US" id="par_id3153700" role="tablecontent" l10n="CHG" oldref="167">Represents a line break that was inserted with the Shift+Enter key combination. To change a line break into a paragraph break, enter <emph>\n</emph> in the <emph>Search for</emph> and <emph>Replace with</emph> boxes, and then perform a search and replace.</paragraph> 125 <paragraph xml-lang="en-US" id="par_id9262672" role="tablecontent" l10n="NEW">\n in the <emph>Search for</emph> text box stands for a line break that was inserted with the Shift+Enter key combination.</paragraph> 126 <paragraph xml-lang="en-US" id="par_id2366100" role="tablecontent" l10n="NEW">\n in the <emph>Replace with</emph> text box stands for a paragraph break that can be entered with the Enter or Return key.</paragraph> 127 </tablecell> 128 </tablerow> 129 <tablerow> 130 <tablecell> 131 <paragraph xml-lang="en-US" id="par_id3153258" role="tablecontent" l10n="U" oldref="29">\t</paragraph> 132 </tablecell> 133 <tablecell> 134 <paragraph xml-lang="en-US" id="par_id3157809" role="tablecontent" l10n="CHG" oldref="30">Represents a tab. You can also use this expression in the <emph>Replace with</emph> box.</paragraph> 135 </tablecell> 136 </tablerow> 137 <tablerow> 138 <tablecell> 139 <paragraph xml-lang="en-US" id="par_id3150670" role="tablecontent" l10n="U" oldref="35">\b</paragraph> 140 </tablecell> 141 <tablecell> 142 <paragraph xml-lang="en-US" id="par_id3153666" role="tablecontent" l10n="CHG" oldref="36">Match a word boundary. For example, "\bbook" finds "bookmark" but not "checkbook" whereas "book\b" finds "checkbook" but not "bookmark". The discrete word "book" is found by both search terms.</paragraph> 143 </tablecell> 144 </tablerow> 145 <tablerow> 146 <tablecell> 147 <paragraph xml-lang="en-US" id="par_id3149576" role="tablecontent" l10n="U" oldref="37">^$</paragraph> 148 </tablecell> 149 <tablecell> 150 <paragraph xml-lang="en-US" id="par_id3151245" role="tablecontent" l10n="CHG" oldref="38">Finds an empty paragraph.</paragraph> 151 </tablecell> 152 </tablerow> 153 <tablerow> 154 <tablecell> 155 <paragraph xml-lang="en-US" id="par_id3148550" role="tablecontent" l10n="U" oldref="41">^.</paragraph> 156 </tablecell> 157 <tablecell> 158 <paragraph xml-lang="en-US" id="par_id3159413" role="tablecontent" l10n="CHG" oldref="42">Finds the first character of a paragraph.</paragraph> 159 </tablecell> 160 </tablerow> 161 <tablerow> 162 <tablecell> 163 <paragraph xml-lang="en-US" id="par_id3147282" role="tablecontent" l10n="CHG" oldref="43">& or $0</paragraph> 164 </tablecell> 165 <tablecell> 166 <paragraph xml-lang="en-US" id="par_id3153961" role="tablecontent" l10n="CHG" oldref="44">Adds the string that was found by the search criteria in the <emph>Search for</emph> box to the term in the <emph>Replace with</emph> box when you make a replacement.</paragraph> 167 <paragraph xml-lang="en-US" id="par_id3149650" role="tablecontent" l10n="CHG" oldref="201">For example, if you enter "window" in the <emph>Search for</emph> box and "&frame" in the <emph>Replace with</emph> box, the word "window" is replaced with "windowframe".</paragraph> 168 <paragraph xml-lang="en-US" id="par_id3150543" role="tablecontent" l10n="CHG" oldref="206">You can also enter an "&" in the <emph>Replace with</emph> box to modify the <emph>Attributes</emph> or the <emph>Format</emph> of the string found by the search criteria.</paragraph> 169 </tablecell> 170 </tablerow> 171 <tablerow> 172 <tablecell> 173 <paragraph xml-lang="en-US" id="par_id3145419" role="tablecontent" l10n="U" oldref="172">[abc123]</paragraph> 174 </tablecell> 175 <tablecell> 176 <paragraph xml-lang="en-US" id="par_id3154630" role="tablecontent" l10n="CHG" oldref="173">Represents one of the characters that are between the brackets.</paragraph> 177 </tablecell> 178 </tablerow> 179 <tablerow> 180 <tablecell> 181 <paragraph xml-lang="en-US" id="par_id3156293" role="tablecontent" l10n="U" oldref="174">[a-e]</paragraph> 182 </tablecell> 183 <tablecell> 184 <paragraph xml-lang="en-US" id="par_id3149167" role="tablecontent" l10n="CHG" oldref="175">Represents any of the characters that are between a and e, including both start and end characters</paragraph> 185 <paragraph xml-lang="en-US" id="par_id100520090232005" role="tablecontent" l10n="NEW">The characters are ordered by their code numbers.</paragraph> 186 </tablecell> 187 </tablerow> 188 <tablerow> 189 <tablecell> 190 <paragraph xml-lang="en-US" id="par_id3155994" role="tablecontent" l10n="U" oldref="176">[a-eh-x]</paragraph> 191 </tablecell> 192 <tablecell> 193 <paragraph xml-lang="en-US" id="par_id3148676" role="tablecontent" l10n="CHG" oldref="177">Represents any of the characters that are between a-e and h-x.</paragraph> 194 </tablecell> 195 </tablerow> 196 <tablerow> 197 <tablecell> 198 <paragraph xml-lang="en-US" id="par_id3145318" role="tablecontent" l10n="U" oldref="178">[^a-s]</paragraph> 199 </tablecell> 200 <tablecell> 201 <paragraph xml-lang="en-US" id="par_id3153351" role="tablecontent" l10n="CHG" oldref="179">Represents everything that is not between a and s.</paragraph> 202 </tablecell> 203 </tablerow> 204 <tablerow> 205 <tablecell> 206 <paragraph xml-lang="en-US" id="par_id3156543" role="tablecontent" l10n="U" oldref="180">\xXXXX</paragraph> 207 </tablecell> 208 <tablecell> 209 <paragraph xml-lang="en-US" id="par_id3153768" role="tablecontent" l10n="U" oldref="181">Represents a special character based on its four-digit hexadecimal code (XXXX).</paragraph> 210 <paragraph xml-lang="en-US" id="par_id3159252" role="tablecontent" l10n="U" oldref="208">The code for the special character depends on the font used. You can view the codes by choosing <emph>Insert - Special Character</emph>.</paragraph> 211 </tablecell> 212 </tablerow> 213 <tablerow> 214 <tablecell> 215 <paragraph xml-lang="en-US" id="par_id3153951" role="tablecontent" l10n="U" oldref="186">|</paragraph> 216 </tablecell> 217 <tablecell> 218 <paragraph xml-lang="en-US" id="par_id3154985" role="tablecontent" l10n="CHG" oldref="187">Finds the terms that occur before the "|" and also finds the terms that occur after the "|". For example, "this|that" finds "this" and "that".</paragraph> 219 </tablecell> 220 </tablerow> 221 <tablerow> 222 <tablecell> 223 <paragraph xml-lang="en-US" id="par_id3147376" role="tablecontent" l10n="U" oldref="209">{2}</paragraph> 224 </tablecell> 225 <tablecell> 226 <paragraph xml-lang="en-US" id="par_id3150103" role="tablecontent" l10n="U" oldref="210">Defines the number of times that the character in front of the opening bracket occurs. For example, "tre{2}" finds and selects "tree".</paragraph> 227 </tablecell> 228 </tablerow> 229 <tablerow> 230 <tablecell> 231 <paragraph xml-lang="en-US" id="par_id3151289" role="tablecontent" l10n="U" oldref="211">{1,2}</paragraph> 232 </tablecell> 233 <tablecell> 234 <paragraph xml-lang="en-US" id="par_id3147317" role="tablecontent" l10n="CHG" oldref="212">Defines the minimum and maximum number of times that the character in front of the opening bracket can occur. For example, "tre{1,2}" finds and selects "tre" and "tree".</paragraph> 235 </tablecell> 236 </tablerow> 237 <tablerow> 238 <tablecell> 239 <paragraph xml-lang="en-US" id="par_id4870754" role="tablecontent" l10n="NEW">{1,}</paragraph> 240 </tablecell> 241 <tablecell> 242 <paragraph xml-lang="en-US" id="par_id843836" role="tablecontent" l10n="NEW">Defines the minimum number of times that the character in front of the opening bracket can occur. For example, "tre{2,}" finds "tree", "treee", and "treeeee".</paragraph> 243 </tablecell> 244 </tablerow> 245 <tablerow> 246 <tablecell> 247 <paragraph xml-lang="en-US" id="par_id3148616" role="tablecontent" l10n="U" oldref="213">( )</paragraph> 248 </tablecell> 249 <tablecell> 250 <paragraph xml-lang="en-US" id="par_id2701803" role="tablecontent" l10n="NEW">In the <emph>Search for</emph> box:</paragraph> 251 <paragraph xml-lang="en-US" id="par_id3153573" role="tablecontent" l10n="CHG" oldref="214">Defines the characters inside the parentheses as a reference. You can then refer to the first reference in the current expression with "\1", to the second reference with "\2", and so on.</paragraph> 252 <paragraph xml-lang="en-US" id="par_id3156061" role="tablecontent" l10n="U" oldref="215">For example, if your text contains the number 13487889 and you search using the regular expression (8)7\1\1, "8788" is found.</paragraph> 253 <paragraph xml-lang="en-US" id="par_id2367931" role="tablecontent" l10n="NEW">You can also use () to group terms, for example, "a(bc)?d" finds "ad" or "abcd".</paragraph> 254 <paragraph xml-lang="en-US" id="par_id9200109" role="tablecontent" l10n="NEW">In the <emph>Replace with</emph> box:<comment>i83322</comment></paragraph> 255 <paragraph xml-lang="en-US" id="par_id5766472" role="tablecontent" l10n="NEW">Use $ (dollar) instead of \ (backslash) to replace references. Use $0 to replace the whole found string.</paragraph> 256 </tablecell> 257 </tablerow> 258 <tablerow> 259 <tablecell> 260 <paragraph xml-lang="en-US" id="par_id3154790" role="tablecontent" l10n="U" oldref="226">[:alpha:]</paragraph> 261 </tablecell> 262 <tablecell> 263 <paragraph xml-lang="en-US" id="par_id3147397" role="tablecontent" l10n="CHG" oldref="227">Represents an alphabetic character. Use [:alpha:]+ to find one of them.</paragraph> 264 </tablecell> 265 </tablerow> 266 <tablerow> 267 <tablecell> 268 <paragraph xml-lang="en-US" id="par_id3152885" role="tablecontent" l10n="U" oldref="216">[:digit:]</paragraph> 269 </tablecell> 270 <tablecell> 271 <paragraph xml-lang="en-US" id="par_id3150010" role="tablecontent" l10n="CHG" oldref="217">Represents a decimal digit. Use [:digit:]+ to find one of them.</paragraph> 272 </tablecell> 273 </tablerow> 274 <tablerow> 275 <tablecell> 276 <paragraph xml-lang="en-US" id="par_id3153743" role="tablecontent" l10n="U" oldref="224">[:alnum:]</paragraph> 277 </tablecell> 278 <tablecell> 279 <paragraph xml-lang="en-US" id="par_id3153281" role="tablecontent" l10n="CHG" oldref="225">Represents an alphanumeric character ([:alpha:] and [:digit:]).</paragraph> 280 </tablecell> 281 </tablerow> 282 <tablerow> 283 <tablecell> 284 <paragraph xml-lang="en-US" id="par_id3153726" role="tablecontent" l10n="U" oldref="218">[:space:]</paragraph> 285 </tablecell> 286 <tablecell> 287 <paragraph xml-lang="en-US" id="par_id3150961" role="tablecontent" l10n="CHG" oldref="219">Represents a space character (but not other whitespace characters).<comment>UFI: see #i41706#</comment></paragraph> 288 </tablecell> 289 </tablerow> 290 <tablerow> 291 <tablecell> 292 <paragraph xml-lang="en-US" id="par_id3150486" role="tablecontent" l10n="U" oldref="220">[:print:]</paragraph> 293 </tablecell> 294 <tablecell> 295 <paragraph xml-lang="en-US" id="par_id3150872" role="tablecontent" l10n="CHG" oldref="221">Represents a printable character.</paragraph> 296 </tablecell> 297 </tablerow> 298 <tablerow> 299 <tablecell> 300 <paragraph xml-lang="en-US" id="par_id3155854" role="tablecontent" l10n="U" oldref="222">[:cntrl:]</paragraph> 301 </tablecell> 302 <tablecell> 303 <paragraph xml-lang="en-US" id="par_id3152576" role="tablecontent" l10n="CHG" oldref="223">Represents a nonprinting character.</paragraph> 304 </tablecell> 305 </tablerow> 306 <tablerow> 307 <tablecell> 308 <paragraph xml-lang="en-US" id="par_id3149958" role="tablecontent" l10n="U" oldref="228">[:lower:]</paragraph> 309 </tablecell> 310 <tablecell> 311 <paragraph xml-lang="en-US" id="par_id3145730" role="tablecontent" l10n="CHG" oldref="229">Represents a lowercase character if <emph>Match case</emph> is selected in <emph>Options</emph>.</paragraph> 312 </tablecell> 313 </tablerow> 314 <tablerow> 315 <tablecell> 316 <paragraph xml-lang="en-US" id="par_id3148455" role="tablecontent" l10n="U" oldref="230">[:upper:]</paragraph> 317 </tablecell> 318 <tablecell> 319 <paragraph xml-lang="en-US" id="par_id3150092" role="tablecontent" l10n="CHG" oldref="231">Represents an uppercase character if <emph>Match case</emph> is selected in <emph>Options.</emph> 320 </paragraph> 321 </tablecell> 322 </tablerow> 323 </table> 324 325 <paragraph xml-lang="en-US" id="hd_id5311441" role="heading" level="2" l10n="NEW">Examples</paragraph> 326 327<paragraph xml-lang="en-US" id="par_id956834773" role="paragraph" l10n="NEW">e([:digit:])? -- finds 'e' followed by zero or one digit. Note that currently all named character classes like [:digit:] must be enclosed in parentheses.<comment>issue 64368 and 113035</comment></paragraph> 328<paragraph xml-lang="en-US" id="par_id952368773" role="paragraph" l10n="NEW">^([:digit:])$ -- finds lines or cells with exactly one digit.</paragraph> 329 330 331 <paragraph xml-lang="en-US" id="par_id9568773" role="paragraph" l10n="NEW">You can combine the search terms to form complex searches.</paragraph> 332 <paragraph xml-lang="en-US" id="hd_id71413" role="heading" level="3" l10n="NEW">To find three-digit numbers alone in a paragraph</paragraph> 333 <paragraph xml-lang="en-US" id="par_id2924283" role="code" l10n="NEW">^[:digit:]{3}$</paragraph> 334 <paragraph xml-lang="en-US" id="par_id5781731" role="paragraph" l10n="NEW">^ means the match has to be at the start of a paragraph, </paragraph> 335 <paragraph xml-lang="en-US" id="par_id6942045" role="paragraph" l10n="NEW">[:digit:] matches any decimal digit, </paragraph> 336 <paragraph xml-lang="en-US" id="par_id4721823" role="paragraph" l10n="NEW">{3} means there must be exactly 3 copies of "digit", </paragraph> 337 <paragraph xml-lang="en-US" id="par_id5806756" role="paragraph" l10n="NEW">$ means the match must end a paragraph. </paragraph> 338 <section id="relatedtopics"> 339 <embed href="text/shared/01/02100000.xhp#02100000"/> 340<switch select="appl"> 341<case select="WRITER"><embed href="text/swriter/guide/search_regexp.xhp#search_regexp"/> 342 <embed href="text/swriter/guide/finding.xhp#finding"/> 343</case> 344</switch> 345<paragraph xml-lang="en-US" id="par_id1751457" role="paragraph" l10n="NEW"><link href="http://wiki.services.openoffice.org/wiki/Documentation/How_Tos/Regular_Expressions_in_Writer">Wiki page about regular expressions in Writer</link></paragraph> 346 <paragraph xml-lang="en-US" id="par_id5483870" role="paragraph" l10n="NEW"><link href="http://wiki.services.openoffice.org/wiki/Documentation/How_Tos/Regular_Expressions_in_Calc">Wiki page about regular expressions in Calc</link></paragraph> 347 </section> 348 </body> 349</helpdocument> 350