Flex 验证邮箱地址

<s:TextInput id="txtEmail" x="103" y="25" width="263" mouseMove="validateEmail(event,txtEmail)"/> ?? ??? ??? ?///验证邮箱地址 ?? ??? ??? ?/// ?? ??? ??? ?private function validateEmail(event:MouseEvent,obj:Object):void ?? ??? ??? ?{ ?? ??? ??? ??? ?var EmailReg:RegExp = /^([a-z0-9A-Z]+[-|.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?.)+[a-zA-Z]{2,}$/; ?? ??? ??? ??? ?var EmailErrorString:String="请输入正确的email地址格式";?? ??? ??? ? ?? ??? ??? ??? ?if (EmailReg.test(obj.text)) ?? ??? ??? ??? ?{ ?? ??? ??? ??? ??? ?obj.errorString = null; ?? ??? ??? ??? ?} ?? ??? ??? ??? ?else ?? ??? ??? ??? ?{ ?? ??? ??? ??? ??? ?obj.errorString = EmailErrorString; ?? ??? ??? ??? ??? ?setValidationFocus(txtEmail);???????????????? ? ?? ??? ??? ??? ?} ?? ??? ??? ?}