From 895cf76adf99c46044aa548c8fb8b96a37b5ffb4 Mon Sep 17 00:00:00 2001
From: Madhura Jayaratne <madhura.cj@gmail.com>
Date: Tue, 1 Oct 2013 17:16:39 +0530
Subject: [PATCH] Do not fail on invalid regular expression for filtering

---
 js/navigation.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/js/navigation.js b/js/navigation.js
index 8b1ce6f69c..29febbe6c8 100644
--- a/js/navigation.js
+++ b/js/navigation.js
@@ -994,7 +994,12 @@ var PMA_fastFilter = {
                 str = $(this).val().toLowerCase();
             }
             $obj.find('li > a').not('.container').each(function () {
-                var regex = new RegExp(str, 'i');
+                try {
+                    var regex = new RegExp(str, 'i');
+                } catch (err) {
+                    // if the filter regexp is not valid exit the .each() loop
+                    return false;
+                }
                 if (regex.test($(this).text())) {
                     $(this).parent().show().removeClass('hidden');
                 } else {