From fb176ade050647254432bac00fb919449fbc36f5 Mon Sep 17 00:00:00 2001
From: soulteary <soulteary@gmail.com>
Date: Sun, 9 Oct 2022 23:39:38 +0800
Subject: [PATCH] fix: fix regexp for cdn subdomain

---
 linux/common.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/linux/common.go b/linux/common.go
index c86ec8e..dd3f69d 100644
--- a/linux/common.go
+++ b/linux/common.go
@@ -94,7 +94,7 @@ var BUILDIN_OFFICAL_UBUNTU_MIRRORS = []string{
 }
 
 var UBUNTU_HOST_PATTERN = regexp.MustCompile(
-	`https?://(\w+)?(security|archive).ubuntu.com/ubuntu/(.+)$`,
+	`https?://(\w{2}\.)?(security|archive).ubuntu.com/ubuntu/(.+)$`,
 )
 
 var UBUNTU_DEFAULT_CACHE_RULES = []Rule{