Improve some _VALID_URLs

[youtube-dl] / youtube_dl / extractor / periscope.py

diff --git a/youtube_dl/extractor/periscope.py b/youtube_dl/extractor/periscope.py
index 6c640089d4288e8d0136f23c534b109e17bf40b2..eb1aeba46848cee3ea652c01b284ff44fe25292e 100644 (file)
--- a/youtube_dl/extractor/periscope.py
+++ b/youtube_dl/extractor/periscope.py
@@ -94,7 +94,7 @@ class PeriscopeIE(PeriscopeBaseIE):
 
 
 class PeriscopeUserIE(PeriscopeBaseIE):
-    _VALID_URL = r'https?://www\.periscope\.tv/(?P<id>[^/]+)/?$'
+    _VALID_URL = r'https?://(?:www\.)?periscope\.tv/(?P<id>[^/]+)/?$'
     IE_DESC = 'Periscope user videos'
     IE_NAME = 'periscope:user'