fix-operator-regex-once-and-for-all

Author: nilmerg

application/controllers/EventRuleController.php

@@ -188,7 +188,7 @@ public function searchEditorAction(): void
         $editor->on(Form::ON_SUCCESS, function (SearchEditor $form) use ($ruleId) {
             $filter = (new Renderer($form->getFilter()))->render();
             // TODO: Should not be needed for the new filter implementation
-            $filter = preg_replace('/[<>!=~]{1,2}(?=[|&]|$)/', '', $filter);
+            $filter = preg_replace('/(?:=|~|!|%3[EC])(?=[|&]|$)/', '', $filter);
 
             $this->session->set('object_filter', $filter);
             $this->redirectNow(Links::eventRule($ruleId)->setParam('_filterOnly'));