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One-page document containing tabulated summaries of common codes, modifiers, and special characters. [PDF]
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%PDF-1.4 4 0 obj endobj xref 4 36 0000000016 00000 n 0000001080 00000 n 0000001150 00000 n 0000001492 00000 n 0000001724 00000 n 0000001818 00000 n 0000002918 00000 n 0000003205 00000 n 0000003484 00000 n 0000003773 00000 n 0000004885 00000...An article about how to use regular expressions in Perl by M-J Dominus.
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How Regexes Work Suppose you were going to write a language like Perl, which has regexes, in a language like C, which doesn't? How might you do that? Note: Although this article purports to describe How Regexes Work it describes only one possible...A description of the patterns used in Perl for pattern matching.
http://www-2.cs.cmu.edu/People/rgs/pl-regex.html
Slides from a talk the author presented at TPC and YAPC. Covers the /o flag and re 'eval'.
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Dirty Secrets of the Perl Regex Engine Skip the blather and just view the slides Talk Title I wanted to call the talk Dirty Secrets of the Perl Regex Engine. Unfortunately, I already had a talk that purported to reveal secrets: Stolen Secrets of the Wizards of...A discussion of the complexity of regular expression matching algorithms in Perl.
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Perl Regular Expression Matching is NP-Hard Matching ordinary regular expresions can be done in polynomial time, proportional to MN, where M is the length of the regular expression and N is the length of the string to be matched. The usual method for this is: Parse...The Perl-module by Hakan Kjellerstrand composes a regex-expression from a list of words.
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MakeRegex Regex composes a regular expression from a list of words. It had been inspired by the emacs elisp module make-regex.el, by Simon Marshall. Some applications Test the program. Regex the contents of a web page (2003-04-07) There is also a...A tutorial that shows how to use Regular Expressions in Perl.
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Perl Regular Expression Tutorial A regular expression is a string of characters which tells the searcher which string (or strings) you are looking for. The following explains the format of regular expressions in detail. If you are familiar with Perl, you already know the...Basic tutorial, distributed as part of the core documentation.
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perlretut Perl regular expressions tutorial Perl regular expressions tutorial DESCRIPTION This page provides a basic tutorial on understanding, creating and using regular expressions in Perl. It serves as a complement to the reference page on regular expressions the perlre manpage. Regular expressions are an integral...Detailed description written by Tom Christiansen in response to a question posted to comp.lang.perl.misc.
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PERL5 Regular Expression Description The following is an excellent description of the power of PERL's regular expressions. Particular emphasis is placed on the new features added in PERL5. I pulled this off of the news group comp.lang.perl.misc and added the html markup. From: Tom...An introduction covering basic concepts.
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Perl Regex a tiny introduction Perl regex will get you there. As the Perl manual says Perl is an interpreted language optimized for scanning arbitrary text files, extracting information from those text files, and printing reports based on that information Regex has been around for...Archive of discussion relating to regular expressions in Perl 6.
http://nntp.x.perl.org/group/perl.perl6.language.regex/
Pattern matching and regular expressions.
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perlfaq6 perldoc.perl.org See the project page for more details Show navigation Perl 5.8.7 documentation Show toolbar Home FAQs perlfaq6 perlfaq6View as PDFNAMEDESCRIPTIONHow can I hope to use regular expressions without creating illegible and unmaintainable code?I'm having trouble matching over more than one...Describes the syntax of regular expressions in Perl.
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perlre perldoc.perl.org See the project page for more details Show navigation Perl 5.8.7 documentation Show toolbar Home Language reference perlre perlreView as PDFNAMEDESCRIPTIONRegular ExpressionsExtended PatternsBacktrackingVersion 8 Regular ExpressionsWarning on 1 vs $1Repeated patterns matching zero-length substringCombining pieces togetherCreating custom RE enginesBUGSSEE ALSONAME...A tutorial for regular expressions in Perl.
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perlretut perldoc.perl.org See the project page for more details Show navigation Perl 5.8.7 documentation Show toolbar Home Tutorials perlretut perlretutView as PDFNAMEDESCRIPTIONPart 1: The basicsSimple word matchingUsing character classesMatching this or thatGrouping things and hierarchical matchingExtracting matchesMatching repetitionsBuilding a regexpUsing regular expressions...