From da96945f39af00e8d8fde1d1138a2d84d725db3c Mon Sep 17 00:00:00 2001
From: Psychi <35874716+Psychi1@users.noreply.github.com>
Date: Sun, 25 May 2025 21:13:55 +0200
Subject: [PATCH] fix regex match-group

---
 snappymail/v/0.0.0/app/libraries/MailSo/Base/Utils.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/snappymail/v/0.0.0/app/libraries/MailSo/Base/Utils.php b/snappymail/v/0.0.0/app/libraries/MailSo/Base/Utils.php
index 75e316483..f16598be8 100644
--- a/snappymail/v/0.0.0/app/libraries/MailSo/Base/Utils.php
+++ b/snappymail/v/0.0.0/app/libraries/MailSo/Base/Utils.php
@@ -59,7 +59,7 @@ abstract class Utils
 				return 'iso-8859-8';
 		}
 
-		return \preg_replace('/^(cp|windows)-?(12[\d]*)/i', 'windows-$1', $sEncoding);
+		return \preg_replace('/^(cp|windows)-?(12[\d]*)/i', 'windows-$2', $sEncoding);
 	}
 
 	public static function NormalizeCharsetByValue(string $sCharset, string $sValue) : string