<html>
<head>
<title>Sample Code</title>
<script type="text/javascript">
function CheckEmail(strEmail)
{
var objRegex = /(^[a-z]([a-z_\.]*)@([a-z_\.]*)([.][a-z]{3})$)|(^[a-z]([a-z_\.]*)@([a-z_\.]*)(\.[a-z]{3})(\.[a-z]{2})*$)/;
//Check Here Email String
var test=objRegex.test(strEmail);
if(test=true)
{
alert("Your Given Email Id Is \""+strEmail+"\" Correct.");
}
else
{
alert("Your Given Email Id Is Not \""+strEmail+"\" Correct.");
}
}
</script>
</head>
<body bgcolor=#00ff00 alink=blue vlink=blue>
<FORM name="windowEvent">
Email : <input type="text" name="txtemail" />
<input type="button" value="Check Email" name="btnEmail" onClick="CheckEmail(txtemail.value)" />
</FORM>
</body>
</html>
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