Validate email with jQuery

Question

I have input name=\"email\" and a button on the page.

How do I validate this input in live for a valid email address? And add some class fo

Answer 1

$('#email').bind('keyup', function(){
    if(this.value.test([REGULAR_EXPRESSION])
        //doStuff -- add active class
    else
        //doOtherStuff -- add inactive class
});

replace [REGULAR_EXPRESSION] with one of the regular expressions found here: http://www.regular-expressions.info/email.html