Issue #3511574 by tom konda, smustgrave: Replace RegExp.test() for simple...

Issue #3511574 by tom konda, smustgrave: Replace RegExp.test() for simple string comparison with String.prototype method possibly

core/modules/toolbar/js/escapeAdmin.js

@@ -14,7 +14,7 @@
   // loaded within an existing "workflow".
   if (
     !pathInfo.currentPathIsAdmin &&
-    !/destination=/.test(windowLocation.search)
+    !windowLocation.search.includes('destination=')
   ) {
     sessionStorage.setItem('escapeAdminPath', windowLocation);
   }

core/modules/views/js/ajax_view.js

@@ -83,7 +83,7 @@
       if (queryString !== '') {
         // If there is a '?' in ajaxPath, clean URL are on and & should be
         // used to add parameters.
-        queryString = (/\?/.test(ajaxPath) ? '&' : '?') + queryString;
+        queryString = (ajaxPath.includes('?') ? '&' : '?') + queryString;
       }
     }