From c99531decb96667331bf43db26187de840d00843 Mon Sep 17 00:00:00 2001
From: Igor Scheller <igor.scheller@igorshp.de>
Date: Mon, 18 Jul 2022 16:15:22 +0200
Subject: [PATCH] Allow changing the username match pattern from the config

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

diff --git a/includes/model/User_model.php b/includes/model/User_model.php
index 4c08d4cc..9e800118 100644
--- a/includes/model/User_model.php
+++ b/includes/model/User_model.php
@@ -114,7 +114,7 @@ function User_validate_Nick($nick)
     if (strlen($nick) == 0 || strlen($nick) > 24) {
         return new ValidationResult(false, $nick);
     }
-    if (preg_match('/([^\p{L}\p{N}\-_. ]+)/ui', $nick)) {
+    if (preg_match(config('username_regex', '/([^\p{L}\p{N}\-_. ]+)/ui'), $nick)) {
         return new ValidationResult(false, $nick);
     }