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Introduction to regular expressions (#2): ERE POSIX

in PHP added by goodphptutorials, on 3/12/2005 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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Introduction to regular expressions (#1): General Mechanics

in PHP added by goodphptutorials, on 3/12/2005 beginner tutorials regex regular expressions

Regular expressions were created by an American mathematician named Stephen Kleene

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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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