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adrianparr on 12/17/10

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AS3 Replace Special XML Characters with Entity Names (Partial Set)

/ Published in: ActionScript 3

These five characters should be replaced with their HTML entity names before being used in XML, otherwise they may cause the XML to be invalid.

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// http://xml.silmaril.ie/authors/specials/
 
function replaceSpecialXmlChars($str:String):String {
	var regExp:RegExp;
	regExp = /&/g;
	$str = $str.replace(regExp, "&amp;");
	regExp = /</g;
	$str = $str.replace(regExp, "&lt;");
	regExp = />/g;
	$str = $str.replace(regExp, "&gt;");
	regExp = /"/g;
	$str = $str.replace(regExp, "&quot;");
	regExp = /'/g;
	$str = $str.replace(regExp, "&apos;");
	return $str;
}
 
var myStr:String = "<&>\"'<&>\"'";
trace(myStr);
trace(replaceSpecialXmlChars(myStr));
 
// OUTPUT
// <&>"'
// &lt;&amp;&gt;&quot;&apos;