From 3adb3e54e52e06a65a265965b05422ff3632cfcf Mon Sep 17 00:00:00 2001
From: Mark Magyar <14284867+xHeaven@users.noreply.github.com>
Date: Sat, 27 May 2023 21:13:02 +0200
Subject: [PATCH] add missing delimiter for proper escaping

---
 lib/TwoFactorAuth.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/TwoFactorAuth.php b/lib/TwoFactorAuth.php
index eccd258..a9820d1 100644
--- a/lib/TwoFactorAuth.php
+++ b/lib/TwoFactorAuth.php
@@ -242,7 +242,7 @@ class TwoFactorAuth
             return '';
         }
 
-        if (preg_match('/[^' . preg_quote(self::$_base32dict) . ']/', $value) !== 0) {
+        if (preg_match('/[^' . preg_quote(self::$_base32dict, '/') . ']/', $value) !== 0) {
             throw new TwoFactorAuthException('Invalid base32 string');
         }