use re.compile on URL_REGEX

app.py

@@ -1,7 +1,6 @@
 import discum
 from typing import List
 import webbrowser
-from discord.ext.commands import Bot
 import re
 from bs4 import BeautifulSoup
 import requests
@@ -11,8 +10,7 @@ from os import getenv
 PRICE_REGEX = re.compile(
     "(?:(?P<currency>[GBP|EUR|£|€])(?P<price>[0-9]+(?:\.[0-9]{1,2})))")
 MODEL_REGEX = re.compile("[Rr][Tt][Xx] ?(?P<model>30[6789]0( [Tt][Ii])?).?")
-
-URL_REGEX = "(?:(?:https?|ftp):\/\/|\b(?:[a-z\d]+\.))(?:(?:[^\s()<>]+|\((?:[^\s()<>]+|(?:\([^\s()<>]+\)))?\))+(?:\((?:[^\s()<>]+|(?:\(?:[^\s()<>]+\)))?\)|[^\s`!()\[\]{};:'.,<>?«»“”‘’]))?"
+URL_REGEX = re.compile("(?:(?:https?|ftp):\/\/|\b(?:[a-z\d]+\.))(?:(?:[^\s()<>]+|\((?:[^\s()<>]+|(?:\([^\s()<>]+\)))?\))+(?:\((?:[^\s()<>]+|(?:\(?:[^\s()<>]+\)))?\)|[^\s`!()\[\]{};:'.,<>?«»“”‘’]))?")
 
 PARTALERT_ASIN = re.compile("asin=(?P<asin>[0-9a-zA-Z]{1,10})")
 PARTALERT_TLD = re.compile("tld=(?P<tld>\.(?:it|es|de|fr|co\.uk))")
@@ -123,7 +121,7 @@ def on_message(resp):
         content = m['content']
 
         if channelID in MONITORED_CHANNELS:
-            urls = re.findall(URL_REGEX, content)
+            urls = URL_REGEX.findall(content)
 
             if (urls):
                 check_urls(urls)