Issue #3164517 by Anas_maw, MattDanger, urvashi_vora, Ranjit1032002: Form...

Issue #3164517 by Anas_maw, MattDanger, urvashi_vora, Ranjit1032002: Form email validation will not working properly when tokens are used

src/Form/WorkflowNotificationForm.php

@@ -173,7 +173,11 @@ class WorkflowNotificationForm extends EntityForm {
     if ($form_values['when_to_trigger'] == 'on_state_change') {
       $form_state->setValue('days', 0);
     }
-    if (!empty($mailids = $form_values['mail_ids'])) {
+    $mailids = $form_values['mail_ids'];
+    $tokens = \Drupal::moduleHandler()->moduleExists('token')
+      ? \Drupal::token()->scan($mailids)
+      : FALSE;
+    if (!empty($mailids) && empty($tokens)) {
       $values = "\r\n" . $mailids;
       $ids = array_filter(preg_split('/\r\n|[\r\n]/', $values));
       foreach ($ids as $k => $id) {