Web Directory

» Dirty Secrets of the Perl Regex Engine
   Slides from a talk the author presented at TPC and YAPC. Covers the /o flag and re 'eval'.
   http://perl.plover.com/yak/dirty/

» How Regexes Work
   An article about how to use regular expressions in Perl by M-J Dominus.
   http://perl.plover.com/Regex/

» MakeRegex
   The Perl-module by Hakan Kjellerstrand composes a regex-expression from a list of words.
   http://www.hakank.org/makeregex/

» Perl FAQ : Regular Expressions
   Pattern matching and regular expressions.
   http://perldoc.perl.org/perlfaq6.html

» Perl Regex
   An introduction covering basic concepts.
   http://www.anaesthetist.com/mnm/perl/Findex.htm

» Perl Regular Expression Mastery
   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
   http://perl.plover.com/yak/regex/

» Perl Regular Expression Matching is NP-Complete
   A discussion of the complexity of regular expression matching algorithms in Perl.
   http://perl.plover.com/NPC/

» Perl Regular Expression Quick Reference
   One-page document containing tabulated summaries of common codes, modifiers, and special characters.
   http://www.erudil.com/preqr.pdf

» Perl Regular Expressions
   A quick introduction to Perl regular expressions for those who have some programming experience.
   http://www.troubleshooters.com/codecorn/littperl/perlreg.htm

» Perl Regular Expressions Cheat Sheet
   An useful ready reference - with informative tips - for those who use Perl regular expressions regularly.
   http://www.addedbytes.com/cheat-sheets/regular-expressions-cheat-sheet/

» PerlDoc.Perl.org - PerlReQuick
   Perl regular expressions quick start; Covers the very basics of understanding, creating and using regular expressions
   http://perldoc.perl.org/perlrequick.html

» PerlDoc.Perl.org - PerlReTut
   A tutorial for regular expressions in Perl.
   http://perldoc.perl.org/perlretut.html

» The Perl Regex Tutor
   An online tool to test regular expressions. It allows a user to input a regular expression along with some text and displays the parts of the text that match the regular expression.
   http://www.perlfect.com/articles/regextutor.shtml