Simple REGEX based JavaScript function to validate an email address

validEmail.js

function validEmail(address) {
  // Regular Express from http://emailregex.com
  const emailRegex = /^(([^<>()\[\]\\.,;:\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,}))$/;
  if (emailRegex.test(address)) return true;
  return false;
}