From 6cdda4a320c0aeabccd5837402527009075ed173 Mon Sep 17 00:00:00 2001
From: Michael H <michael@michaelhall.tech>
Date: Thu, 2 Jan 2020 16:50:12 -0500
Subject: [PATCH] Patch clean_prefix for new text editor

The new editor seems to force mentions to have ! even without a nick.
---
 discord/ext/commands/help.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/discord/ext/commands/help.py b/discord/ext/commands/help.py
index db066a361..ad8bd4e2c 100644
--- a/discord/ext/commands/help.py
+++ b/discord/ext/commands/help.py
@@ -344,7 +344,8 @@ class HelpCommand:
         # consider this to be an *incredibly* strange use case. I'd rather go
         # for this common use case rather than waste performance for the
         # odd one.
-        return self.context.prefix.replace(user.mention, '@' + user.display_name)
+        pattern = re.compile(r"<@!?%s>" % user.id)
+        return pattern.sub("@%s" % user.display_name, self.context.prefix)
 
     @property
     def invoked_with(self):