[yahoo] Extend _VALID_URL

youtube_dl/extractor/yahoo.py

@@ -22,7 +22,7 @@ from .nbc import NBCSportsVPlayerIE
 
 class YahooIE(InfoExtractor):
     IE_DESC = 'Yahoo screen and movies'
-    _VALID_URL = r'(?P<url>(?P<host>https?://(?:[a-zA-Z]{2}\.)?[\da-zA-Z_-]+\.yahoo\.com)/(?:[^/]+/)*(?P<display_id>.+?)-(?P<id>[0-9]+)(?:-[a-z]+)?\.html)'
+    _VALID_URL = r'(?P<url>(?P<host>https?://(?:[a-zA-Z]{2}\.)?[\da-zA-Z_-]+\.yahoo\.com)/(?:[^/]+/)*(?P<display_id>.+)?-(?P<id>[0-9]+)(?:-[a-z]+)?\.html)'
     _TESTS = [
         {
             'url': 'http://screen.yahoo.com/julian-smith-travis-legg-watch-214727115.html',
@@ -140,12 +140,15 @@ class YahooIE(InfoExtractor):
                 'description': 'md5:df390f70a9ba7c95ff1daace988f0d8d',
                 'title': 'Tyler Kalinoski hits buzzer-beater to lift Davidson',
             }
+        }, {
+            'url': 'https://tw.news.yahoo.com/-100120367.html',
+            'only_matching': True,
         }
     ]
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
-        display_id = mobj.group('display_id')
+        display_id = mobj.group('display_id') or self._match_id(url)
         page_id = mobj.group('id')
         url = mobj.group('url')
         host = mobj.group('host')