From 9a23c195ed28cbb10628961481b28f524adf1fd7 Mon Sep 17 00:00:00 2001
From: TLSM <duolsm@outlook.com>
Date: Fri, 20 May 2022 18:49:00 -0400
Subject: [PATCH] Fix overpermissive email regex.

---
 files/helpers/const.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/files/helpers/const.py b/files/helpers/const.py
index 202f72989..9ce6daf06 100644
--- a/files/helpers/const.py
+++ b/files/helpers/const.py
@@ -824,7 +824,7 @@ emoji_regex3 = re.compile(f"(?<!\"):([!@{valid_username_chars}]{{1,31}}?):", fla
 
 snappy_url_regex = re.compile('<a href=\"(https?:\/\/[a-z]{1,20}\.[\w:~,()\-.#&\/=?@%;+]{5,250})\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">([\w:~,()\-.#&\/=?@%;+]{5,250})<\/a>', flags=re.A)
 
-email_regex = re.compile('[^@]+@[^@]+\.[^@]+', flags=re.A)
+email_regex = re.compile('[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}', flags=re.A|re.I)
 
 utm_regex = re.compile('utm_[a-z]+=[a-z0-9_]+&', flags=re.A)
 utm_regex2 = re.compile('[?&]utm_[a-z]+=[a-z0-9_]+', flags=re.A)