From c2d79bedb55cd6ad2778be8fa1a1a4ae3300ded3 Mon Sep 17 00:00:00 2001
From: Gazook89 <58999374+Gazook89@users.noreply.github.com>
Date: Sun, 20 Nov 2022 11:42:01 -0600
Subject: [PATCH] add more robust lang code regexp.

---
 client/homebrew/editor/metadataEditor/validations.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client/homebrew/editor/metadataEditor/validations.js b/client/homebrew/editor/metadataEditor/validations.js
index 2b3724653..32c8131f6 100644
--- a/client/homebrew/editor/metadataEditor/validations.js
+++ b/client/homebrew/editor/metadataEditor/validations.js
@@ -25,7 +25,7 @@ module.exports = {
 	],
 	lang : [
 		(value)=>{
-			return new RegExp(/^[a-zA-z]{2,3}(-.*)?$/).test(value) === false && (value.length > 0) ? 'Invalid language code.' : null;
+			return new RegExp(/^([a-zA-Z]{2,3})(-[a-zA-Z]{4})?(-(?:[0-9]{3}|[a-zA-Z]{2}))?$/).test(value) === false && (value.length > 0) ? 'Invalid language code.' : null;
 		}
 	]
 };