Better detection of non-http protocols

diff --git a/wcfsetup/install/files/lib/system/application/ApplicationHandler.class.php b/wcfsetup/install/files/lib/system/application/ApplicationHandler.class.php
index 65a9ff88a84aaadeeec64992ba19b1ff440e1f77..3175f8ed635115cbf999868218bed8d059b456b0 100644 (file)
--- a/wcfsetup/install/files/lib/system/application/ApplicationHandler.class.php
+++ b/wcfsetup/install/files/lib/system/application/ApplicationHandler.class.php
@@ -201,7 +201,7 @@ class ApplicationHandler extends SingletonFactory {
                }
                
                // relative urls contain no protocol, including implied
-               if (!preg_match('~^([a-z]+)?://~', $url)) {
+               if (!preg_match('~^([a-zA-Z0-9]+)?://~', $url)) {
                        return true;
                }