RegExpValidator

<?xml version="1.0" encoding="utf-8"?>

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" verticalAlign="top"

    horizontalAlign="center" backgroundGradientColors="[#570A0A, #731F1F]" paddingTop="0" backgroundGradientAlphas="[1.0, 1.0]">

   

    <mx:Script>

        <![CDATA[

            import mx.events.ValidationResultEvent;

            import mx.validators.*;

   

            // Write the results to the

            private function handleResult(eventObj:ValidationResultEvent):void {

                if (eventObj.type == ValidationResultEvent.VALID)

                {

                    // For valid events, the results Array contains

                    // RegExpValidationResult objects.

                    var xResult:RegExpValidationResult;

                    reResults.text="x";

                    for (var i:uint = 0; i < eventObj.results.length; i++)

                    {

                        xResult = eventObj.results[i];

                        reResults.text=reResults.text + xResult.matchedIndex + " " + xResult.matchedString;

                    }

                }

                else

                {

                    reResults.text="";           

                }       

            }

        ]]>

    </mx:Script>

    <mx:RegExpValidator id="regExpV"

        source="{regex_text}" property="text"

        flags="g" expression="{regex.text}"

        valid="handleResult(event)" invalid="handleResult(event)"

        trigger="{myButton}" triggerEvent="click"/>

       

    <mx:Panel title="RegExpValidator Example" layout="vertical" color="0xffffff" borderAlpha="0.15" width="80%"

         paddingTop="0" paddingRight="10" paddingBottom="10" paddingLeft="10" horizontalAlign="center" x="10" y="10">

        

        <mx:Text width="100%" color="0x323232" text="Instructions:"/>

        <mx:Text width="100%" color="0x323232" text="1. Enter text to search. By default, enter  a string containing the letters ABC in sequence followed by any digit."/>

        <mx:Text width="100%" color="0x323232" text="2. Enter the regular expression. By default, enter ABC\d."/>

        <mx:Text width="100%" color="0x323232" text="3. Click the Button control to trigger the validation."/>

        <mx:Text width="100%" color="0x323232" text="4. The results show the index in the text where the matching pattern begins, and the matching pattern. "/>

  

        <mx:Form color="0x323232">

            <mx:FormItem label="Enter text: ">

                <mx:TextInput id="regex_text" text="xxxxABC4xxx" width="100%"/>

            </mx:FormItem>

            <mx:FormItem label="Enter regular expression: ">

                <mx:TextInput id="regex" text="ABC\d" width="100%"/>

            </mx:FormItem>

            <mx:FormItem label="Results: ">

                <mx:TextInput id="reResults" width="100%"/>

            </mx:FormItem>

            <mx:FormItem >

                <mx:Button id="myButton" label="Validate"/>

            </mx:FormItem>

        </mx:Form>

       

    </mx:Panel>

</mx:Application>