[xnxx] fix url regex

The pattern has changed from "video123412" to "video-o8xa19".
The changes maintain backwards compatibility with old-style URLs.

youtube_dl/extractor/xnxx.py

@@ -6,17 +6,20 @@ from ..compat import compat_urllib_parse_unquote
 
 
 class XNXXIE(InfoExtractor):
-    _VALID_URL = r'^https?://(?:video|www)\.xnxx\.com/video(?P<id>[0-9]+)/(.*)'
-    _TEST = {
-        'url': 'http://video.xnxx.com/video1135332/lida_naked_funny_actress_5_',
-        'md5': '0831677e2b4761795f68d417e0b7b445',
+    _VALID_URL = r'^https?://(?:video|www)\.xnxx\.com/video-?(?P<id>[0-9a-z]+)/(.*)'
+    _TESTS = [{
+        'url': 'http://www.xnxx.com/video-6gqggeb/hd_star-581_sam',
+        'md5': '6a2a6aff3f10467d94e572edb7b7deb6',
         'info_dict': {
-            'id': '1135332',
+            'id': '6gqggeb',
             'ext': 'flv',
-            'title': 'lida » Naked Funny Actress  (5)',
+            'title': 'HD STAR-581 sam',
             'age_limit': 18,
-        }
-    }
+        },
+    }, {
+        'url': 'http://video.xnxx.com/video1135332/lida_naked_funny_actress_5_',
+        'only_matching': True,
+    }]
 
     def _real_extract(self, url):
         video_id = self._match_id(url)