regular expressions: Difference between revisions
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* [[Perl regex]] | * [[Perl regex]] | ||
* [[regex manpage]] | * [[regex manpage]] | ||
==Examples== | |||
* \[http://[a-z|.|\-]+\.[a-z|.|\-]+[a-z|.|\-/]* [a-z|A-Z| ]+\] | |||
** matches a link in [[MediaWiki]] markup (it could probably be more precise, but catches most of them) | |||
Revision as of 01:22, 30 September 2007
computing: software: programming: regex
Overview
Regex is shorthand for "Regular Expressions", a syntax used in string matching and replacement. It is especially heavily used in Perl, and the Linux utility grep is basically a front end for regex geared towards file-searching.
Articles
Examples
- \[http://[a-z|.|\-]+\.[a-z|.|\-]+[a-z|.|\-/]* [a-z|A-Z| ]+\]
- matches a link in MediaWiki markup (it could probably be more precise, but catches most of them)
