JSFiddle - React, Tailwind, and code Playground

HTML

<form id="form" method="post">
    <input id="email" maxlength="64" name="EmailEDIT" type="text" width="100">
    <button id="submitBtn"><img height="30" src="images/fx_demo_button.png" width="74"></button>
</form>

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);
    } 


$('#form').on('submit', function (e) {
    e.preventDefault();

    var email = $('#email').val();
    alert( validateEmail(email) )

});