ZipCodeFormatter  - AS3 Flex

<?xml version="1.0" encoding="utf-8"?>
<!-- Simple example to demonstrate ZipCodeFormatter. -->
<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>
        <![CDATA[
            import mx.events.ValidationResultEvent;

            private var vResult:ValidationResultEvent;

            // Event handler to validate and format input.
            private function Format():void {
                vResult = zcVal.validate();

                if (vResult.type == ValidationResultEvent.VALID) {
                    formattedZipcode.text = zipFormatter.format(zip.text);
                } else {
                    formattedZipcode.text = "";
                }
            }
        ]]>
    </fx:Script>

    <fx:Declarations>
        <mx:ZipCodeFormatter id="zipFormatter" formatString="#####-####"/>
        <mx:ZipCodeValidator id="zcVal" source="{zip}" property="text" allowedFormatChars=""/>
    </fx:Declarations>

    <s:Panel title="ZipCodeFormatter Example"
            width="75%" height="75%" 
            horizontalCenter="0" verticalCenter="0">
        <mx:Form left="10" right="10" top="10" bottom="10">
            <mx:FormItem label="Enter a 5 or 9 digit U.S. ZIP code:" width="100%">
                <s:TextInput id="zip" text=""/>
            </mx:FormItem>
            <mx:FormItem label="Formatted ZIP code: " width="100%">
                <s:TextInput id="formattedZipcode" text="" editable="false"/>
            </mx:FormItem>
            <mx:FormItem>
                <s:Button label="Validate and Format" click="Format();"/>
            </mx:FormItem>
        </mx:Form>
    </s:Panel>

</s:Application>