From ba46abc25ed517102ad74d48943fbf885ed12f16 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim=20D=C3=BCsterhus?= <duesterhus@woltlab.com>
Date: Fri, 22 Oct 2021 11:20:14 +0200
Subject: [PATCH] Fix the use of `preg_quote()` in `Censorship`

Specify the correct `$delimiter`.
---
 .../files/lib/system/message/censorship/Censorship.class.php    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wcfsetup/install/files/lib/system/message/censorship/Censorship.class.php b/wcfsetup/install/files/lib/system/message/censorship/Censorship.class.php
index 3aa0314903..028dcbadf1 100644
--- a/wcfsetup/install/files/lib/system/message/censorship/Censorship.class.php
+++ b/wcfsetup/install/files/lib/system/message/censorship/Censorship.class.php
@@ -105,7 +105,7 @@ class Censorship extends SingletonFactory
                     continue 2;
                 } // check for asterisk matches ("*badword*" == "FooBadwordBar")
                 elseif (\mb_strpos($censoredWord, '*') !== false) {
-                    $censoredWord = \str_replace('\*', '.*', \preg_quote($censoredWord));
+                    $censoredWord = \str_replace('\*', '.*', \preg_quote($censoredWord, '!'));
                     if (\preg_match('!^' . $censoredWord . '$!', $word)) {
                         // store censored word
                         if (isset($this->matches[$word])) {
-- 
2.20.1