From 79276da17eeb5e96f3b9f2732e32ddf859f858f2 Mon Sep 17 00:00:00 2001
From: jack1142 <6032823+jack1142@users.noreply.github.com>
Date: Wed, 6 May 2020 23:57:57 +0200
Subject: [PATCH] Escape backslashes in display name in `clean_prefix`

---
 discord/ext/commands/help.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/discord/ext/commands/help.py b/discord/ext/commands/help.py
index 72992de9e..226e5f6a5 100644
--- a/discord/ext/commands/help.py
+++ b/discord/ext/commands/help.py
@@ -345,7 +345,7 @@ class HelpCommand:
         # for this common use case rather than waste performance for the
         # odd one.
         pattern = re.compile(r"<@!?%s>" % user.id)
-        return pattern.sub("@%s" % user.display_name, self.context.prefix)
+        return pattern.sub("@%s" % user.display_name.replace('\\', r'\\'), self.context.prefix)
 
     @property
     def invoked_with(self):