Regular expression - Revision history

Christoph: /* External links */

2009-03-09T21:46:58Z

‎External links

Christoph: /* External links */

2008-03-18T02:15:52Z

‎External links

Christoph at 06:42, 21 January 2008

2008-01-21T06:42:15Z

Christoph: /* External links */

2008-01-21T06:05:32Z

‎External links

Christoph at 08:18, 23 April 2007

2007-04-23T08:18:53Z

Christoph: /* External links */

2007-04-23T07:20:39Z

‎External links

Christoph: /* External links */

2007-04-23T00:36:04Z

‎External links

Christoph at 22:54, 13 April 2007

2007-04-13T22:54:32Z

Christoph: /* External links */

2007-04-13T22:53:45Z

‎External links

Christoph: /* External links */

2007-04-06T05:55:10Z

‎External links

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 *[http://www.regular-expressions.info/ Regular-Expressions.info] &mdash; one of the most comprehensive, free regular expression tutorials on the net.
 *[http://www.pcre.org/ PCRE - Perl Compatible Regular Expressions]
 *[http://www.csm.astate.edu/~rossa/regular.html Regular expressions and commands that use them]
 *[http://www.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap09.html Regular expressions] &mdash; by The Open Group Base Specifications Issue 6

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 *[http://www.csm.astate.edu/~rossa/regular.html Regular expressions and commands that use them]
 *[http://www.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap09.html Regular expressions] &mdash; by The Open Group Base Specifications Issue 6
 *[http://regexpal.com/ RegexPal] &mdash; a JavaScript regular expression tester
 *[[wikipedia:Regular expression]]

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 * ''A Practical Guide to Linux'' (1997), Mark G. Sobell, Addison Wesley, Reading, MA.
 * ''Programming Perl'' (1996), Larry Wall, Tom Christiansen & Randal L. Schwartz, O'Reilly, Cambridge, MA.
 ==External links==

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 *[http://www.csm.astate.edu/~rossa/regular.html Regular expressions and commands that use them]
 *[http://www.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap09.html Regular expressions] &mdash; by The Open Group Base Specifications Issue 6
 *[[wikipedia:Regular expression]]
 *[http://regexadvice.com/forums/ RegexAdvice - forum] &mdash; ("''cc''")

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 A '''regular expression''' (abbreviated as '''regexp''', '''regex''', or '''regxp''', with plural forms '''regexps''', '''regexes''', or '''regexen''') is a string that describes or matches a set of strings, according to certain syntax rules. Regular expressions are used by many text editors and utilities to search and manipulate bodies of text based on certain patterns. Many programming languages support regular expressions for string manipulation. For example, [[Perl]] and Tcl have a powerful regular expression engine built directly into their syntax. The set of utilities (including the editor [[Sed|sed]] and the filter [[Grep (command)|grep]]) provided by [[Linux|Unix]] distributions were the first to popularize the concept of regular expressions.
-  see also: [[Evolved regular expressions]]
+  see also: [[Evolved regular expressions]] (EREs)
 ==Character classes (with GNU/POSIX extensions)==

← Older revision		Revision as of 22:54, 13 April 2007
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	A '''regular expression''' (abbreviated as '''regexp''', '''regex''', or '''regxp''', with plural forms '''regexps''', '''regexes''', or '''regexen''') is a string that describes or matches a set of strings, according to certain syntax rules. Regular expressions are used by many text editors and utilities to search and manipulate bodies of text based on certain patterns. Many programming languages support regular expressions for string manipulation. For example, [[Perl]] and Tcl have a powerful regular expression engine built directly into their syntax. The set of utilities (including the editor [[Sed\|sed]] and the filter [[Grep (command)\|grep]]) provided by [[Linux\|Unix]] distributions were the first to popularize the concept of regular expressions.		A '''regular expression''' (abbreviated as '''regexp''', '''regex''', or '''regxp''', with plural forms '''regexps''', '''regexes''', or '''regexen''') is a string that describes or matches a set of strings, according to certain syntax rules. Regular expressions are used by many text editors and utilities to search and manipulate bodies of text based on certain patterns. Many programming languages support regular expressions for string manipulation. For example, [[Perl]] and Tcl have a powerful regular expression engine built directly into their syntax. The set of utilities (including the editor [[Sed\|sed]] and the filter [[Grep (command)\|grep]]) provided by [[Linux\|Unix]] distributions were the first to popularize the concept of regular expressions.
		+
		+	see also: [[Evolved regular expressions]]

	==Character classes (with GNU/POSIX extensions)==		==Character classes (with GNU/POSIX extensions)==

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 * ''Programming Perl'' (1996), Larry Wall, Tom Christiansen & Randal L. Schwartz, O'Reilly, Cambridge, MA.
-== External links ==
+==External links==
-* [http://en.wikipedia.org/wiki/Regular_Expressions Wikipedia article on '''Regular expression''']
+*[http://www.regexlib.com/ Regular Expression Library] &mdash; currently contains over 1000 expressions from contributors around the world.
-* [http://www.regexlib.com/ Regular Expression Library] &mdash; currently contains over 1000 expressions from contributors around the world.
+*[http://www.regular-expressions.info/ Regular-Expressions.info] &mdash; one of the most comprehensive, free regular expression tutorials on the net.
-* [http://www.regular-expressions.info/ Regular-Expressions.info] &mdash; one of the most comprehensive, free regular expression tutorials on the net.
+*[http://www.pcre.org/ PCRE - Perl Compatible Regular Expressions]
-=== Other ===
+*[[wikipedia:Regular expression]]
-* [http://www.txt2re.com/ txt2re.com]
+===Other===
 [[Category:Technical and Specialized Skills]]