Fix regex search

The regex was lowercased, even though regex patterns are case sensitive.
Also adds the DOTALL flag.

1 files changed, 1 insertions, 4 deletions

diff --git a/bot/exts/moderation/clean.py b/bot/exts/moderation/clean.py
index a9f936d88..ca458f066 100644
--- a/bot/exts/moderation/clean.py
+++ b/bot/exts/moderation/clean.py
@@ -144,10 +144,7 @@ class Clean(Cog):
             content = "\n".join(attr for attr in content if attr)
 
             # Now let's see if there's a regex match
-            if not content:
-                return False
-            else:
-                return bool(re.search(regex.lower(), content.lower()))
+            return bool(re.search(regex, content, re.IGNORECASE + re.DOTALL))
 
         def predicate_range(message: Message) -> bool:
             """Check if the message age is between the two limits."""