Google Directory - Computers > Programming > Languages > Regular Expressions

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Computers > Programming > Languages > Regular Expressions > Perl

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

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

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

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

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

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

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

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

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.

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

perl.perl6.language.regex - http://www.nntp.perl.org/group/perl.perl6.language.regex/
Archive of discussion relating to regular expressions in Perl 6.

PerlDoc.Perl.org - PerlRe - http://perldoc.perl.org/perlre.html
Describes the syntax of regular expressions in Perl.

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

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

The Perl Regex Tutor - http://www.perlfect.com/articles/regextutor.shtml
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.

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