Use Regular Expression by JavaScript

Use Regular Expression by JavaScript
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1 function validateEmail()


2 {


3 // Value to Validate. Ex. Your EMail Address TextBox


4 var EMailID = document.getElementById('txtEMail').value;


5


6 // Here, we set the Expression to Validate the Value for EMail Address.


7 var EMailValidate = /^([a-zA-Z0-9])+([\.a-zA-Z0-9_-])*@([a-zA-Z0-9])+(\.[a-zA-Z0-9_-]+)+$/;


8


9 // Test the Validator.


10 if( EMailValidate.test(EMailID))


11 {


12 alert('Right Email Address.');


13 }


14 else


15 {


16 alert('Wrong Email Address.');


17 }


18 }