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Reference of the various syntactic elements that can appear in regular expressions ... Matches at the start of the string the regex pattern is applied to. Matches a position rather than a character. Most regex flavors have an option to make the caret match after line breaks (i.e. at the start of a line in a file) as well.
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www.regular-expressions.info/reference.html
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Regular expression - Wikipedia, the free encyclopedia
In computing, regular expressions provide a concise and flexible means for identifying strings of text of interest, such as particular characters, words, or patterns of characters. A regular express...
en.wikipedia.org/wiki/Regular_expression
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The Regex Coach is a graphical application for Windows which can be used to experiment with (Perl-compatible) regular expressions interactively. It has the following features:
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www.weitz.de/regex-coach/
www.weitz.de/regex-coach/
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Book by Jeffrey Friedl. Includes table of contents, full index, an errata sheet. ... Mastering Regular Expressions Third Editio ... This is the web site for the third edition of Mastering Regular Expressions, by Jeffrey Friedl.
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Earlier versions of Python came with the regex module, which provides Emacs-style patterns. Emacs-style patterns are slightly less readable and don't provide as many features, so there's not much reason to use the regex module when writing new code, though you might encounter old code that uses it.
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www.amk.ca/python/howto/regex/
www.amk.ca/python/howto/regex/
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RegexBuddy is your perfect companion for working with regular expressions. Learning, creating, understanding, testing, using and saving regular expressions has never been easier. ... Regex Made Easy...
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www.regexbuddy.com/
www.regexbuddy.com/
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Whenever I came across something interesting in a mail that was created with TheBat! like "cleaned" Subject-strings or automagically deleted PGP-lines, I would ask in one of the mailing lists: "How did you do that?". Quite often I would receive a reply like "You will need a regex for that!" And sometimes the result...
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www.silverstones.com/thebat/Regex.html
www.silverstones.com/thebat/Regex.html
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Canadian Mind Products Java & Internet Glossary : regex ... Other Regex Engines ... Regex Variations Table...
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mindprod.com/jgloss/regex.html
mindprod.com/jgloss/regex.html
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