From dac26fbd0be6250bda6cac0995f41234986f1119 Mon Sep 17 00:00:00 2001
From: martgil <46025304+martgil@users.noreply.github.com>
Date: Thu, 12 Jun 2025 11:03:57 +0800
Subject: [PATCH] refactor: update email regex

---
 src/packet/userid.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/packet/userid.js b/src/packet/userid.js
index 8d90ea08..7091dbbd 100644
--- a/src/packet/userid.js
+++ b/src/packet/userid.js
@@ -88,7 +88,7 @@ class UserIDPacket {
      * since they interfere with `comment` parsing.
      */
 
-    const isValidEmail = str => /^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/.test(str);
+    const isValidEmail = str => /^[a-zA-Z0-9._%+-]+@(?:[a-zA-Z0-9-]+\.)+[a-zA-Z0-9]{2,63}$/.test(str);
     const firstBracket = userID.indexOf('<');
     const lastBracket = userID.lastIndexOf('>');
     if (