[redditr] Relax _VALID_URL (closes #16426)

youtube_dl/extractor/reddit.py

@@ -47,7 +47,7 @@ class RedditIE(InfoExtractor):
 
 
 class RedditRIE(InfoExtractor):
-    _VALID_URL = r'(?P<url>https?://(?:(?:www|old)\.)?reddit\.com/r/[^/]+/comments/(?P<id>[^/?#&]+))'
+    _VALID_URL = r'(?P<url>https?://(?:[^/]+\.)?reddit\.com/r/[^/]+/comments/(?P<id>[^/?#&]+))'
     _TESTS = [{
         'url': 'https://www.reddit.com/r/videos/comments/6rrwyj/that_small_heart_attack/',
         'info_dict': {
@@ -86,6 +86,10 @@ class RedditRIE(InfoExtractor):
         # youtube
         'url': 'https://www.reddit.com/r/videos/comments/6t75wq/southern_man_tries_to_speak_without_an_accent/',
         'only_matching': True,
+    }, {
+        # reddit video @ nm reddit
+        'url': 'https://nm.reddit.com/r/Cricket/comments/8idvby/lousy_cameraman_finds_himself_in_cairns_line_of/',
+        'only_matching': True,
     }]
 
     def _real_extract(self, url):