Redgifs fixed?

If this doesn't work then I give up...

bdfr/site_downloaders/download_factory.py

@@ -27,6 +27,8 @@ class DownloadFactory:
         sanitised_url = DownloadFactory.sanitise_url(url)
         if re.match(r'(i\.)?imgur.*\.gif.+$', sanitised_url):
             return Imgur
+        elif re.match(r'(i\.)?(redgifs|gifdeliverynetwork)', sanitised_url):
+            return Redgifs
         elif re.match(r'.*/.*\.\w{3,4}(\?[\w;&=]*)?$', sanitised_url) and \
                 not DownloadFactory.is_web_resource(sanitised_url):
             return Direct
@@ -40,8 +42,6 @@ class DownloadFactory:
             return Gfycat
         elif re.match(r'(m\.)?imgur.*', sanitised_url):
             return Imgur
-        elif re.match(r'(redgifs|gifdeliverynetwork)', sanitised_url):
-            return Redgifs
         elif re.match(r'reddit\.com/r/', sanitised_url):
             return SelfPost
         elif re.match(r'(m\.)?youtu\.?be', sanitised_url):

bdfr/site_downloaders/redgifs.py

@@ -24,7 +24,7 @@ class Redgifs(BaseDownloader):
     @staticmethod
     def _get_link(url: str) -> set[str]:
         try:
-            redgif_id = re.match(r'.*/(.*?)/?$', url).group(1)
+            redgif_id = re.match(r'.*/(.*?)(\..{3,})?$', url).group(1)
         except AttributeError:
             raise SiteDownloaderError(f'Could not extract Redgifs ID from {url}')
 
@@ -55,4 +55,7 @@ class Redgifs(BaseDownloader):
         except (KeyError, AttributeError):
             raise SiteDownloaderError('Failed to find JSON data in page')
 
+        # Update subdomain if old one is returned
+        out = {re.sub('thumbs2', 'thumbs3', link) for link in out}
+        out = {re.sub('thumbs3', 'thumbs4', link) for link in out}
         return out