Validating email using javascript


function validateEmail(email) {
    var re = /^(([^<>()[]\.,;:s@"]+(.[^<>()[]\.,;:s@"]+)*)|(".+"))@(([[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}])|(([a-zA-Z-0-9]+.)+[a-zA-Z]{2,}))$/;
    return re.test(email);
}

Example

if (validateEmail(document.getElementById("email").value)) {
    alert('valid');
}
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