Use PhoneNumberValidator to validate and PhoneFormatter to format

      
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" minWidth="1024" minHeight="768">
        <mx:PhoneNumberValidator id="phoneValidator" property="text" source="{inputPhone}"/>
        <mx:PhoneFormatter id="phoneFormatter" formatString="(###) ###-####" validPatternChars="#-() "/>
    <mx:Script>
        
            import mx.events.ValidationResultEvent;
            private var vResult:ValidationResultEvent;
            
            private function phoneFormat():void {
                vResult = phoneValidator.validate();
                if (vResult.type==ValidationResultEvent.VALID) {
                    inputPhone.text = phoneFormatter.format(inputPhone.text);
                } else {
                    inputPhone.text= "";
                }
            }
            
      
    </mx:Script>
        <mx:Label text="Phone Number Input"/>
        <mx:TextInput id="inputPhone" focusOut="phoneFormat()" width="300"/>
</mx:Application>

1.	Checking if the phone number entered is a valid format
2.	Validate phone number with PhoneNumberValidator
3.	Use
4.	A PhoneNumberValidator validator is assigned to arg1(first argument tag)
5.	Override default error message for a specific PhoneNumberValidator
6.	Using the PhoneNumberValidator class
7.	Using PhoneNumberValidator
8.	PhoneNumberValidator allowedFormatChars and error messages
9.	Declare the standard PhoneNumberValidator validator with tag
10.	PhoneNumberValidator in ActionScript
11.	PhoneNumberValidator Custom Event Listener
12.	Using two PhoneNumberValidator tags to ensure that the home and mobile phone numbers are entered correctly
13.	Validating data using ActionScript 3.0
14.	Assigning a new message string to the wrongLengthError property

Use PhoneNumberValidator to validate and PhoneFormatter to format : PhoneNumberValidator « Data Model « Flex

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