Remove wildcard from variable

 */

define('EMAIL_DOMAIN_VALIDATE_MXR_DEFAULT_REPORTING_VIEW_PATH', 'admin/reports/email-domain-validate-mxr-failures');

define('EMAIL_DOMAIN_VALIDATE_MXR_DEFAULT_ERROR_MESSAGE', 'The email domain !email_domain that you have entered is not valid. Please enter an email address with a valid domain.');

define('EMAIL_DOMAIN_VALIDATE_MXR_DEFAULT_ERROR_MESSAGE', 'Enter an email address with a valid domain.');

define('EMAIL_DOMAIN_VALIDATE_MXR_EMAIL_DATA_TYPE', 'email');

define('EMAIL_DOMAIN_VALIDATE_MXR_FAIL_CODE', 11);

      else {

        $output .= t('If you want this to be a multilingual, you have to install the i18n_variable module');

      }

      $output .= '<ul>';

      $output .= '<li><strong>';

      $output .= t('Wildcard');

      $output .= '</strong> - ';

      $output .= t('Use the wildcard !strong_open!email_domain!strong_close in the custom error message to show the offending email domain.!line_break',

        array(

          '!strong_open' => '<strong>',

          '!strong_close' => '</strong>',

          '!line_break' => '<br>',

        ));

      $output .= '</li></ul></li>';

      $output .= '</li>';

      $output .= '<li><strong>';

/**

 * Checks for translatable error message and returns string.

 *

 * Replaces the !email_domain wildcard.

 *

 * @param string $email_domain

 *   Email domain to replace the wildcard with.

 *

 * @return string

 *   Error string depending on if the i18n_variable module is enabled.

 */

function email_domain_validate_mxr_get_error_message(string $email_domain = '!email_domain') {

function email_domain_validate_mxr_get_error_message() {

  $langcode = $GLOBALS['i18n_language_variable']->language ?? 'en';

  $error_message = module_exists('i18n_variable') ?

    i18n_variable_get('email_domain_validate_mxr_error_message', $langcode, EMAIL_DOMAIN_VALIDATE_MXR_DEFAULT_ERROR_MESSAGE) :

    variable_get('email_domain_validate_mxr_error_message', EMAIL_DOMAIN_VALIDATE_MXR_DEFAULT_ERROR_MESSAGE);

  return str_replace('!email_domain', $email_domain, $error_message);

  return $error_message;

}

function email_domain_validate_mxr_variable_info($options = array()) {

  $variables['email_domain_validate_mxr_error_message'] = array(

    'title' => t('Email Domain Validate MXR Error Message'),

    'description' => t('Use token "!email_domain" where you want to display the offending email domain.'),

    'type' => 'string',

    'default' => EMAIL_DOMAIN_VALIDATE_MXR_DEFAULT_ERROR_MESSAGE,

    'localize' => TRUE,