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	<title>ProTech &#187; JavaScript</title>
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		<title>Use Regular Expression in JavaScript</title>
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		<pubDate>Sat, 05 Jul 2008 14:04:14 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[JavaScript]]></category>
		<category><![CDATA[regex]]></category>
		<category><![CDATA[regular expression]]></category>

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		<description><![CDATA[Regular Expressions are a powerful and effective way to do searches and replaces in a String. With this feature we can do complex validations in only a few lines of code. However, when dealing with really complex expressions it can be harder to use, specially when we code in different languages, like PHP, JavaScript, ASP.Net, and other.

JavaScript allow us to use Regular Expressions in two different ways. We can do it with a literal expression, or with the RegEx Object. The major difference between this two ways is that with the Object we can change the expression at runtime. However, when we use literal regular expressions we achieve better results, because the literal expressions are compiled at load time and provides better performance.]]></description>
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		<title>Show PNG transparency in IE6</title>
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		<pubDate>Tue, 18 Dec 2007 23:46:29 +0000</pubDate>
		<dc:creator>bamaral</dc:creator>
				<category><![CDATA[Browsers]]></category>
		<category><![CDATA[CSS]]></category>
		<category><![CDATA[HTML]]></category>
		<category><![CDATA[JavaScript]]></category>
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		<description><![CDATA[Every web developer knows that develop cross-browsers web applications is a real pain in the ass. To complicate the things a little bit, the change from IE6 to IE7 bring many differences that turn the develop process harder.
One key limitation in the old Internet Explorer 6 (IE6) is the Portable Network graphics (PNG) transparency problem. [...]]]></description>
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		<title>Detect cookie support with JavaScript</title>
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		<pubDate>Thu, 06 Dec 2007 11:40:30 +0000</pubDate>
		<dc:creator>bamaral</dc:creator>
				<category><![CDATA[JavaScript]]></category>
		<category><![CDATA[Web Development]]></category>

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		<description><![CDATA[Cookies, also known as web cookies, HTTP Cookies or just cookies, are a mechanism that allow the store of that in the client&#8217;s browser. This information is sent by a server to the web browser and then sent back without change each time the browser access that server. Cookies are used for several purposes such [...]]]></description>
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