Answer Posted / bharani kumar

var ree;
ree=/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
if(ree.test(document.formname.txt_email.value)==false){
alert("Enter valid email id");
document.formname.txt_email.value = "";
document.formname.txt_email.focus();
return false;
}

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