From 992b2c4cc80c176ded269d8ae83c6c229d9005ff Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?=
 <avar@users.mediawiki.org>
Date: Wed, 25 May 2005 01:36:38 +0000
Subject: [PATCH] * - is not a metacharacter in regular expressions, and ^ can
 be used to invert   matches within []

---
 includes/Setup.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/Setup.php b/includes/Setup.php
index 0db7307cb2..657dce71ba 100644
--- a/includes/Setup.php
+++ b/includes/Setup.php
@@ -218,7 +218,7 @@ if( !$wgUser->mDataLoaded ) {
 // wgLanguageCode now specifically means the UI language
 $wgLanguageCode = $wgUser->getOption('language');
 # Validate $wgLanguageCode, which will soon be sent to an eval()
-if( empty( $wgLanguageCode ) || !preg_match( '/^[a-z\-]*$/', $wgLanguageCode ) ) {
+if( empty( $wgLanguageCode ) || preg_match( '/^[^a-z-]*$/', $wgLanguageCode ) ) {
 	$wgLanguageCode = $wgContLanguageCode;
 }
 
-- 
2.20.1