PERL5 Regular Expression Description
Detailed description written by Tom Christiansen in response to a question posted to comp.lang.perl.misc. (February 13, 1996)
Regular Expressions
A description of the patterns used in Perl for pattern matching.
perlretut
Basic tutorial, distributed as part of the core documentation.
perl.perl6.language.regex
Archive of discussion relating to regular expressions in Perl 6.
Perldoc.com - perlretut
A tutorial for regular expressions in Perl.
Perldoc.com - perlre
Describes the syntax of regular expressions in Perl.
Perl Regular Expression Tutorial
A tutorial that shows how to use Regular Expressions in Perl.
Perl Regular Expression Quick Reference
One-page document containing tabulated summaries of common codes, modifiers, and special characters. [PDF]
Perl Regular Expression Matching is NP-Complete
A discussion of the complexity of regular expression matching algorithms in Perl.
Perl Regex
An introduction covering basic concepts.
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