Email validation using jQuery

Question

I\'m new to jQuery and was wondering how to use it to validate email addresses.

Answer 1

A simplified one I've just made, does what I need it to. Have limited it to just alphanumeric, period, underscore and @.

function testEmailChars(el){
    var email = $(el).val();
    if ( /^[a-zA-Z0-9_@.-]+$/.test(email)==true ){
        $("#a").html("valid");
    } else {
        $("#a").html("not valid");
    }
}

Made with help from others