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	<title>Comments on: A Crash-Course in Regular Expressions</title>
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		<title>By: Cómo crear URLS amigables con .htaccess &#124; emenia.es</title>
		<link>http://blog.themeforest.net/screencasts/a-crash-course-in-regular-expressions/comment-page-1/#comment-26086</link>
		<dc:creator>Cómo crear URLS amigables con .htaccess &#124; emenia.es</dc:creator>
		<pubDate>Fri, 11 Dec 2009 19:52:30 +0000</pubDate>
		<guid isPermaLink="false">http://blog.themeforest.net/?p=647#comment-26086</guid>
		<description>[...] simple búsqueda en Google podréis encontrar gran cantidad de tutoriales. Si sabéis inglés, este tutorial de themeforest es muy bueno. También podéis bajaros esta hoja de referencia de Expresiones Regulares (en [...]</description>
		<content:encoded><![CDATA[<p>[...] simple búsqueda en Google podréis encontrar gran cantidad de tutoriales. Si sabéis inglés, este tutorial de themeforest es muy bueno. También podéis bajaros esta hoja de referencia de Expresiones Regulares (en [...]</p>
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		<title>By: A Deeper Look at mod_rewrite for Apache - Perry Multimedia Blog</title>
		<link>http://blog.themeforest.net/screencasts/a-crash-course-in-regular-expressions/comment-page-1/#comment-24727</link>
		<dc:creator>A Deeper Look at mod_rewrite for Apache - Perry Multimedia Blog</dc:creator>
		<pubDate>Mon, 21 Sep 2009 00:51:10 +0000</pubDate>
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		<description>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</description>
		<content:encoded><![CDATA[<p>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</p>
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		<title>By: A Deeper Look at mod_rewrite for Apache - Perry Multimedia Blog</title>
		<link>http://blog.themeforest.net/screencasts/a-crash-course-in-regular-expressions/comment-page-1/#comment-24726</link>
		<dc:creator>A Deeper Look at mod_rewrite for Apache - Perry Multimedia Blog</dc:creator>
		<pubDate>Mon, 21 Sep 2009 00:48:40 +0000</pubDate>
		<guid isPermaLink="false">http://blog.themeforest.net/?p=647#comment-24726</guid>
		<description>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</description>
		<content:encoded><![CDATA[<p>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</p>
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		<title>By: A Deeper Look at mod_rewrite for Apache &#124; KolayOnline</title>
		<link>http://blog.themeforest.net/screencasts/a-crash-course-in-regular-expressions/comment-page-1/#comment-24248</link>
		<dc:creator>A Deeper Look at mod_rewrite for Apache &#124; KolayOnline</dc:creator>
		<pubDate>Wed, 16 Sep 2009 23:38:22 +0000</pubDate>
		<guid isPermaLink="false">http://blog.themeforest.net/?p=647#comment-24248</guid>
		<description>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</description>
		<content:encoded><![CDATA[<p>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</p>
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		<title>By: A Deeper Look at mod_rewrite for Apache &#124; Ouech.net</title>
		<link>http://blog.themeforest.net/screencasts/a-crash-course-in-regular-expressions/comment-page-1/#comment-24014</link>
		<dc:creator>A Deeper Look at mod_rewrite for Apache &#124; Ouech.net</dc:creator>
		<pubDate>Tue, 15 Sep 2009 20:52:46 +0000</pubDate>
		<guid isPermaLink="false">http://blog.themeforest.net/?p=647#comment-24014</guid>
		<description>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</description>
		<content:encoded><![CDATA[<p>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</p>
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		<title>By: A Deeper Look at mod_rewrite for Apache : Webby Tutos</title>
		<link>http://blog.themeforest.net/screencasts/a-crash-course-in-regular-expressions/comment-page-1/#comment-23863</link>
		<dc:creator>A Deeper Look at mod_rewrite for Apache : Webby Tutos</dc:creator>
		<pubDate>Mon, 14 Sep 2009 21:32:11 +0000</pubDate>
		<guid isPermaLink="false">http://blog.themeforest.net/?p=647#comment-23863</guid>
		<description>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</description>
		<content:encoded><![CDATA[<p>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</p>
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		<title>By: A Deeper Look at mod_rewrite for Apache : Webby Tutos</title>
		<link>http://blog.themeforest.net/screencasts/a-crash-course-in-regular-expressions/comment-page-1/#comment-23862</link>
		<dc:creator>A Deeper Look at mod_rewrite for Apache : Webby Tutos</dc:creator>
		<pubDate>Mon, 14 Sep 2009 21:31:58 +0000</pubDate>
		<guid isPermaLink="false">http://blog.themeforest.net/?p=647#comment-23862</guid>
		<description>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</description>
		<content:encoded><![CDATA[<p>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</p>
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		<title>By: A Deeper Look at mod_rewrite for Apache &#124; Web Tutorials</title>
		<link>http://blog.themeforest.net/screencasts/a-crash-course-in-regular-expressions/comment-page-1/#comment-23853</link>
		<dc:creator>A Deeper Look at mod_rewrite for Apache &#124; Web Tutorials</dc:creator>
		<pubDate>Mon, 14 Sep 2009 19:33:26 +0000</pubDate>
		<guid isPermaLink="false">http://blog.themeforest.net/?p=647#comment-23853</guid>
		<description>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</description>
		<content:encoded><![CDATA[<p>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</p>
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		<title>By: A Deeper Look at mod_rewrite for Apache &#124; Web Tutorials</title>
		<link>http://blog.themeforest.net/screencasts/a-crash-course-in-regular-expressions/comment-page-1/#comment-23851</link>
		<dc:creator>A Deeper Look at mod_rewrite for Apache &#124; Web Tutorials</dc:creator>
		<pubDate>Mon, 14 Sep 2009 19:32:57 +0000</pubDate>
		<guid isPermaLink="false">http://blog.themeforest.net/?p=647#comment-23851</guid>
		<description>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</description>
		<content:encoded><![CDATA[<p>[...] Nettuts very own Jeffrey&#8217;s Crash Course [...]</p>
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		<title>By: Jaygo333</title>
		<link>http://blog.themeforest.net/screencasts/a-crash-course-in-regular-expressions/comment-page-1/#comment-19457</link>
		<dc:creator>Jaygo333</dc:creator>
		<pubDate>Fri, 07 Aug 2009 22:06:39 +0000</pubDate>
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		<description>\^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$\

^^
this would work but you forgot to close scope the .***
so:

/^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.{[a-zA-Z],{2,4}}$\</description>
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<p>^^<br />
this would work but you forgot to close scope the .***<br />
so:</p>
<p>/^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.{[a-zA-Z],{2,4}}$\</p>
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