From f5c68898be345fb0dca5ab7b596b9cbe674f5dfb Mon Sep 17 00:00:00 2001
From: Rouven Seifert <rouven@rfive.de>
Date: Tue, 4 Jul 2023 15:14:00 +0200
Subject: [PATCH] update user validation regex

---
 internal/core/validation.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/core/validation.go b/internal/core/validation.go
index 3e168b5..10dfc0a 100644
--- a/internal/core/validation.go
+++ b/internal/core/validation.go
@@ -30,7 +30,7 @@ import (
 )
 
 //this regexp copied from useradd(8) manpage
-const posixAccountNamePattern = `[a-z_][a-z0-9_-]*\$?`
+const posixAccountNamePattern = `[a-z_][a-z0-9._-]*\$?`
 
 var (
 	errIsMissing      = errors.New("is missing")
-- 
2.41.0