safety check to disallow message delete < 14days

cogs/mod/method.py

@@ -1273,7 +1273,15 @@ async def do_removal(
     limit = max(1, min(limit or 1, 2000))
 
     passed_before = ctx.message if before is None else discord.Object(id=before)
-    passed_after = discord.Object(id=after) if after is not None else None
+    two_weeks_before = ctx.message.created_at - datetime.timedelta(weeks=2)
+    two_weeks_before_snowflake = discord.utils.time_snowflake(two_weeks_before)
+
+    if after:
+        _after = max(two_weeks_before_snowflake, after)
+        passed_after = discord.Object(id=_after)
+    else:
+        passed_after = None
+
     try:
         deleted = await ctx.channel.purge(limit=limit, before=passed_before, after=passed_after, check=predicate)
     except discord.HTTPException as e:

cogs/mod/mod.py

@@ -772,7 +772,7 @@ async def _regex(self, ctx: Context, pattern: str | None = None, search: int | N
         pattern = pattern or r".*"
 
         def check(m: discord.Message) -> bool:
-            return bool(re.match(rf"{pattern}", m.content))
+            return bool(re.match(rf"{pattern}", m.content)) and m.created_at > arrow.utcnow().shift(days=-14).datetime
 
         await mod_method.do_removal(ctx, search, check)