/** * validateEmail * @param email, email address * @return boolean, if email valid */ private static boolean validateEmail (string email) { string emailRegex = '^[a-zA-Z0-9._|\\\\%#~`=?&/$^*!}{+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,4}$'; pattern outPattern = pattern.compile(emailRegex); matcher outMatcher = outPattern.matcher(email); return outMatcher.matches(); }