From 17fea2f6dc5186f3f8e91b5b8e1cfcaa8826fd52 Mon Sep 17 00:00:00 2001
From: Evanroby <evan.camus16220@gmail.com>
Date: Sat, 23 May 2026 08:39:32 +0200
Subject: [PATCH] Fix handling of word boundaries in Filter cog (#6725)

---
 redbot/cogs/filter/filter.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/redbot/cogs/filter/filter.py b/redbot/cogs/filter/filter.py
index 462940324..507060226 100644
--- a/redbot/cogs/filter/filter.py
+++ b/redbot/cogs/filter/filter.py
@@ -475,7 +475,7 @@ class Filter(commands.Cog):
 
             if word_list:
                 pattern = re.compile(
-                    "|".join(rf"\b{re.escape(w)}\b" for w in word_list), flags=re.I
+                    "|".join(rf"(?<!\w){re.escape(w)}(?!\w)" for w in word_list), flags=re.I
                 )
             else:
                 pattern = None