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Perl Regular Expression Matching is NP-Complete - http://perl.plover.com/NPC/
A discussion of the complexity of regular expression matching algorithms in Perl. |
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Perl Regex - http://www.anaesthetist.com/mnm/perl/Findex.htm
An introduction covering basic concepts. |
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Perl Regular Expressions - http://www.troubleshooters.com/codecorn/littperl/perlreg.htm
A quick introduction to Perl regular expressions for those who have some programming experience. |
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How Regexes Work - http://perl.plover.com/Regex/
An article about how to use regular expressions in Perl by M-J Dominus. |
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Perl Regular Expression Mastery - http://perl.plover.com/yak/regex/
Notes and slides from a two part talk that, in its first part, details the algorithm that perl uses internally to do regex matching and, in its second part, discusses practical parsing applications and RegEx optimization |