Use Regular Expressions in E4X Queries

           

<mx:Application
    xmlns:mx="http://www.adobe.com/2006/mxml"
    layout="vertical">

    <mx:Script>
        

        private var xmlItems:XML =<order>
                            <item id="1">
                                <menuName>A</menuName>
                                <price>3.5</price>
                            </item>
                            <item id="2000">
                                <menuName>B</menuName>
                                <price>1.45</price>
                            </item>
                        </order>
        
        private var arr:Array;
        
        private function init():void {
            arr = new Array();
            for each ( var xml:XML in xmlItems) {
                arr.push(xmlItems.item.(/\d\d\d/.test(@id)).price);
            }
            trace(arr);
        }
  
    </mx:Script>
</mx:Application>

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Use Regular Expressions in E4X Queries : XML data « Data Model « Flex

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