function checkPassword() {
  var pass = $("#password").val();
  var confpass = $("#confirm_password").val();
  var regex = new RegExp(/(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{8,}/);
  if(regex.test(pass) && regex.test(confpass)){
    return true;
  } else {
    return false;
  }
}