Validate email address : Validation « Form Control « JavaScript DHTML

Validate email address

function isEMailAddr(elem) {
    var str = elem.value;
    var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
    if (!str.match(re)) {
        alert("Verify the e-mail address format.");
        setTimeout("focusElement('" + + "', '" + + "')", 0);
        return false;
    } else {
        return true;


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