[vk] Improve _VALID_URL (#2207)

Authored by: k3ns1n

yt_dlp/extractor/vk.py

@@ -90,7 +90,7 @@ class VKIE(VKBaseIE):
                                 (?:(?:m|new)\.)?vk\.com/(?:.+?\?.*?z=)?video|
                                 (?:www\.)?daxab.com/embed/
                             )
-                            (?P<videoid>-?\d+_\d+)(?:.*\blist=(?P<list_id>[\da-f]+))?
+                            (?P<videoid>-?\d+_\d+)(?:.*\blist=(?P<list_id>([\da-f]+)|(ln-[\da-zA-Z]+)))?
                         )
                     '''
     _TESTS = [
@@ -181,6 +181,17 @@ class VKIE(VKBaseIE):
             },
             'skip': 'Removed',
         },
+        {
+            'url': 'https://vk.com/video-93049196_456239755?list=ln-cBjJ7S4jYYx3ADnmDT',
+            'info_dict': {
+                'id': '-93049196_456239755',
+                'ext': 'mp4',
+                'title': '8 серия (озвучка)',
+                'duration': 8383,
+                'upload_date': '20211222',
+                'view_count': int,
+            },
+        },
         {
             # video (removed?) only available with list id
             'url': 'https://vk.com/video30481095_171201961?list=8764ae2d21f14088d4',