Using ActionScript to validate min length text input

   
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
    <mx:Script>
        
        import mx.validators.EmailValidator;
        import mx.validators.StringValidator;
        import mx.controls.Alert;
        import mx.events.ValidationResultEvent;
        
        public var emailVal:EmailValidator = new EmailValidator();
        public var stringVal:StringValidator = new StringValidator();
        
        public function validateForm():void 
        {
            var valResult:ValidationResultEvent;
            stringVal.source = username;
            stringVal.property = "text";
            stringVal.minLength = 10;
        
            emailVal.source = email;
            emailVal.property = "text";
        
            valResult = emailVal.validate(); 
        
            if(valResult.type == "invalid"){
                Alert.show("Invalid Email");
            } 

            valResult = stringVal.validate(); 

            if(valResult.type == "invalid"){
                Alert.show("Invalid Username");
            }   
        }
      
    </mx:Script>
    <mx:Text text="Email:" />
    <mx:TextInput id="email" />
    <mx:Text text="Enter your username:" />
    <mx:TextInput id="username" />
    <mx:Button label="Submit" id="submitButton" click="validateForm()" />
</mx:Application>

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Using ActionScript to validate min length text input : StringValidator « Data Model « Flex

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