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15 PHP regular expressions for web developers
in PHP added by goodphptutorials, on 28/7/2009 beginner tutorials regex
Regular expressions are a very useful tool for developers. They allow to find, identify or replace text, words or any kind of characters. In this article, I have compiled 15+ extremely useful regular expressions that any web developer should have in his toolkit.
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Input Validation: Using filter_var() Over Regular Expressions
in PHP added by Mojah, on 8/2/2009 advanced tutorials filter_var php5 regex
The biggest time-sink on any project, is the amount of input validation that needs to be done. You _have_ to assume your visitor is a maniac serial killer, out to destroy your application. And you have to prevent it.
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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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