| You can use meta-characters in the 'Search For' field: | |
| |. |any character except newline |+ |one or more times | |
| |* |zero or more times |? |zero or one time | |
| |{n} |match exact n times |{n,m} |at least n, at most m times | |
| |~| |pipe: {{a~|b}} matches a or b | - |hyphen, match a range of chars | |
| |^ |beginning of a line |$ |end of a line | |
| |[[...] |one of the char's of a set |[[^...] |negated character set | |
| |\b |word boundary |\B |word non boundary | |
| |\d |numeral [[0-9] |\D |non numeral [[^0-9] | |
| |\s |single white space |\S |single non white space | |
| |\w |[[A-Za-z0-9_] |\W |[[^A-Za-z0-9_] | |
| |(...) |grouping are stored as $1..$9 |\. |escape a meta char | |
| The 'Replace with' field can use $1..$9 as a backreference to parentheses of 'Search for' field. | |
| ---- | |
| Example:\\ | |
| Search for __/abc|def/__ will match the word 'abc' or the word 'def'\\ | |
| Search for __/bwiki/b__ will match the word 'wiki' but not the word 'jspwiki'.\\ | |
| Search for __^[[IVXMDCL]+\.__ will match any combination of roman numeral char's followed by a period\\ | |
| Search for __/(-?\d+)(\d{3})/__ and replace with __$1,$2__ to insert commas in large integers. | |
| This is the [EditFindAndReplaceHelp] page. | |
| [More info on regular expressions|http://www.regular-expressions.info/javascript.html] | |
| and [RegExp Sandbox|http://www.regular-expressions.info/javascriptexample.html]\\ |