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	<title>Web Development Stuff &#187; posix</title>
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		<title>POSIX Regular Expressions in PHP</title>
		<link>http://www.webdevstuff.com/88/posix-regular-expressions-in-php.html</link>
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		<pubDate>Thu, 28 May 2009 04:00:48 +0000</pubDate>
		<dc:creator>Teddy</dc:creator>
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		<category><![CDATA[php]]></category>
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		<description><![CDATA[Regular expression is the basic functionality of pattern comparison. PHP offers two sets of functions for regular expressions &#8211; POSIX style and Perl style. Both types have slightly different syntax and this post should give basic overview of the POSIX one. Regular expression (called regex) is nothing more just sequence of characters (called pattern) which [...]]]></description>
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