[ie/Instagram] Support `/reels/` URLs (#9539)

Closes #6689
Authored by: amir16yp

yt_dlp/extractor/instagram.py

@@ -255,7 +255,7 @@ class InstagramIOSIE(InfoExtractor):
 
 
 class InstagramIE(InstagramBaseIE):
-    _VALID_URL = r'(?P<url>https?://(?:www\.)?instagram\.com(?:/[^/]+)?/(?:p|tv|reel)/(?P<id>[^/?#&]+))'
+    _VALID_URL = r'(?P<url>https?://(?:www\.)?instagram\.com(?:/[^/]+)?/(?:p|tv|reels?(?!/audio/))/(?P<id>[^/?#&]+))'
     _EMBED_REGEX = [r'<iframe[^>]+src=(["\'])(?P<url>(?:https?:)?//(?:www\.)?instagram\.com/p/[^/]+/embed.*?)\1']
     _TESTS = [{
         'url': 'https://instagram.com/p/aye83DjauH/?foo=bar#abc',
@@ -379,6 +379,9 @@ class InstagramIE(InstagramBaseIE):
     }, {
         'url': 'https://www.instagram.com/marvelskies.fc/reel/CWqAgUZgCku/',
         'only_matching': True,
+    }, {
+        'url': 'https://www.instagram.com/reels/Cop84x6u7CP/',
+        'only_matching': True,
     }]
 
     @classmethod