diff --git a/source/Ox/js/RegExp.js b/source/Ox/js/RegExp.js
index a1a2aeb5..55d45792 100644
--- a/source/Ox/js/RegExp.js
+++ b/source/Ox/js/RegExp.js
@@ -5,5 +5,5 @@ Ox.escapeRegExp <f> Escapes a string for use in a regular expression
 @*/
 // see https://developer.mozilla.org/en/JavaScript/Guide/Regular_Expressions
 Ox.escapeRegExp = function(string) {
-    return (string + '').replace(/([\/\\^$*+?.-|(){}[\]])/g, '\\$1');
+    return (string + '').replace(/([\/\\\^\$\*\+\?\.\-\|\(\)\{\}\[\]])/g, '\\$1');
 };
\ No newline at end of file