Issue #3417567: Support Youtube Live urls

src/Plugin/video_embed_field/Provider/YouTube.php

@@ -89,7 +89,7 @@ class YouTube extends ProviderPluginBase {
    * {@inheritdoc}
    */
   public static function getIdFromInput($input) {
-    preg_match('/^https?:\/\/(www\.)?((?!.*list=)youtube\.com\/watch\?.*v=|youtu\.be\/)(?<id>[0-9A-Za-z_-]*)/', $input, $matches);
+    preg_match('/^https?:\/\/(www\.)?((?!.*list=)youtube\.com\/(watch\?.*v=|live\/)|youtu\.be\/)(?<id>[0-9A-Za-z_-]*)/', $input, $matches);
     return $matches['id'] ?? FALSE;
   }