From b9ad097565968332acb6e91fc602459f035639a9 Mon Sep 17 00:00:00 2001
From: Andrew White <andyw@pixeltrix.co.uk>
Date: Fri, 17 Feb 2012 14:44:28 +0000
Subject: [PATCH] Simplify regexp

---
 actionpack/lib/action_dispatch/middleware/static.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/actionpack/lib/action_dispatch/middleware/static.rb b/actionpack/lib/action_dispatch/middleware/static.rb
index cb251bca6f..63b7422287 100644
--- a/actionpack/lib/action_dispatch/middleware/static.rb
+++ b/actionpack/lib/action_dispatch/middleware/static.rb
@@ -39,7 +39,7 @@ module ActionDispatch
     end
 
     def escape_glob_chars(path)
-      path.gsub(/(\*|\?|\[|\]|\{|\})/, "\\\\\\1")
+      path.gsub(/[*?{}\[\]]/, "\\\\\\&")
     end
   end