Validate Email Using Java Script

This code shows how to Validate Email Using JavaScript

function validate()
//Validate Email.....

validRegExp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/i;
strEmail = document.getElementById("txtEmail").value;
if ( == -1)
alert(" A valid E-mail is required");
return false;


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