add notice on URL request does not match node settings

src/webui/search.php

@@ -50,9 +50,9 @@ $q = !empty($_GET['q']) ? trim($_GET['q']) : '';
 $p = !empty($_GET['p']) ? (int) $_GET['p'] : 1;
 
 // Register new URL by request on enabled
-if ($config->webui->search->index->request->url->enabled)
+if ($config->webui->search->index->request->url->enabled && filter_var($q, FILTER_VALIDATE_URL))
 {
-    if (filter_var($q, FILTER_VALIDATE_URL) && preg_match($config->webui->search->index->request->url->regex, $q))
+  if (preg_match($config->webui->search->index->request->url->regex, $q))
   {
     // Prepare URL
     $url      = $q;
@@ -93,6 +93,13 @@ if ($config->webui->search->index->request->url->enabled)
       );
     }
   }
+
+  else {
+    $response = sprintf(
+      _('URL "%s" does not match node settings!'),
+      htmlentities($q)
+    );
+  }
 }
 
 // Extended syntax corrections