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Simplify e-mail validation routines with PHP
in PHP added by goodphptutorials, on 29/10/2007 email general regex regular expression verification
A very common task when building Web sites involves validating user-supplied e-mail addresses. In this article we'll show you how to use the powerful regular expression engine built into PHP.
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PHP Regex Cheat Sheet (PDF)
in PHP added by goodphptutorials, on 27/12/2005 expressions general patterns pcre php regex
A handy guide of all the useful regex characters, metacharacters, quantifiers and pattern modifiers to make creating regex expressions easier.
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Introduction to regular expressions (#1): General Mechanics
in PHP added by goodphptutorials, on 2/12/2005 beginner tutorials regex regular expressions
Regular expressions were created by an American mathematician named Stephen Kleene
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Introduction to regular expressions (#2): ERE POSIX
in PHP added by goodphptutorials, on 2/12/2005 beginner tutorials posix regex regular expressions
This tutorial will assume you have already read '(#1): General Mechanics', and are merely wanting to continue your research into POSIX.
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