Fix overly permissive regex

Author: raidensakura

core/models.py

@@ -118,7 +118,7 @@ def getLogger(name=None) -> ModmailLogger:
 
 
 class FileFormatter(logging.Formatter):
-    ansi_escape = re.compile(r"\x1B\[[0-?]*[ -/]*[@-~]")
+    ansi_escape = re.compile(r"\x1B\[[:;<=>?@]*[ -/]*[@-~]")
 
     def format(self, record):
         record.msg = self.ansi_escape.sub("", record.msg)

core/thread.py

@@ -1006,7 +1006,7 @@ async def send(
                 attachments.append(attachment)
 
         image_urls = re.findall(
-            r"http[s]?:\/\/(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*(),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+",
+            r"http[s]?:\/\/(?:[a-zA-Z]|[0-9]|[.\-]|[!*(),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+",
             message.content,
         )