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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- validators\RegExpExample.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx">
<fx:Script>
import mx.events.ValidationResultEvent;
import mx.validators.*;
private function handleResult(event:ValidationResultEvent):void {
if (event.type == "valid")
{
// For valid events, the results Array contains
// RegExpValidationResult objects.
var xResult:RegExpValidationResult;
myTA.text="";
for (var i:uint = 0; i < event.results.length; i++)
{
xResult = event.results[i];
myTA.text=myTA.text + xResult.matchedIndex + " " +
xResult.matchedString + "\n";
}
}else{
// Not necessary, but if you needed to access it,
// the results array contains ValidationResult objects.
var result:ValidationResult;
myTA.text="";
}
}
</fx:Script>
<fx:Declarations>
<mx:RegExpValidator id="regExpV" source="{exp}"
property="text" flags="g" expression="{source.text}" valid="handleResult(event);"
invalid="handleResult(event);" />
</fx:Declarations>
<mx:Form>
<mx:FormItem label="Search string">
<s:TextInput id="exp" />
</mx:FormItem>
<mx:FormItem label="Regular expression">
<s:TextInput id="source" text="ABC\d" />
</mx:FormItem>
<mx:FormItem label="Results">
<s:TextArea id="myTA" />
</mx:FormItem>
</mx:Form>
</s:Application>
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