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Regular expressions (view source)

Revision as of 21:31, June 16, 2007

442 bytes added ,  21:31, June 16, 2007
New page: A regular expression in computer software is a string for matching other strings that contain it. Text editors and programming languages support regular expressions for string manipulatio...
A regular expression in computer software is a string for matching other strings that contain it.

Text editors and programming languages support regular expressions for string manipulation. UNIX and Perl have a regular expression engines like "grep" in UNIX. "Regular expression" is abbreviated as "regex", or "regexp".

Wildcard characters are useful in matching filenames from a file system, but wildcards differ from regular expressions.
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