compan(y|ies) |
Search for company, companies |
(peter|paul) |
Search for peter, paul |
bug* |
Search for bug, bugg, buggg or simply bu (a star matches zero or more instances of the previous character) |
bug.* |
Search for bug, bugs, bugfix (a dot-star matches zero or more instances of any character) |
[Bb]ag |
Search for Bag, bag |
b[aiueo]g |
Second letter is a vowel. Matches bag, bug, big |
b.g |
Second letter is any letter. Matches also b&g |
[a-zA-Z] |
Matches any one letter (but not a number or a symbol) |
[^0-9a-zA-Z] |
Matches any symbol (but not a number or a letter) |
[A-Z][A-Z]* |
Matches one or more uppercase letters |
[0-9]{3}-[0-9]{2}-[0-9]{4} |
US social security number, e.g. 123-45-6789 |
PNG;Chart |
Search for topics containing the words PNG and Chart. The ";" and separator is TWiki-specific and is not a regular expression; it is a useful facility that is enabled when regular expression searching is enabled. |
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