From 77c4529f15bbc28717deb7a6d0421a8578f8e8ea Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Wed, 20 Oct 2010 20:33:59 +0200
Subject: [PATCH] [DependencyInjection] Regex optimization

---
 Container.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Container.php b/Container.php
index 5ca215387..58a33b99f 100644
--- a/Container.php
+++ b/Container.php
@@ -282,7 +282,7 @@ public function __call($method, $arguments)
 
     static public function camelize($id)
     {
-        return preg_replace(array('/(^|_)+(.)/e', '/\.(.)/e'), array("strtoupper('\\2')", "'_'.strtoupper('\\1')"), $id);
+        return preg_replace(array('/(?:^|_)+(.)/e', '/\.(.)/e'), array("strtoupper('\\1')", "'_'.strtoupper('\\1')"), $id);
     }
 
     static public function underscore($id)