X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/99b46abf79266c2bf5eabc291dc4f366e61b5dde..b8d8e13c1f9e4d3cdd7d41c5c9d711a36dd5f9c3:/youtube_dl/extractor/slideshare.py?ds=sidebyside

diff --git a/youtube_dl/extractor/slideshare.py b/youtube_dl/extractor/slideshare.py
index 4967c1b..74a1dc6 100644
--- a/youtube_dl/extractor/slideshare.py
+++ b/youtube_dl/extractor/slideshare.py
@@ -14,7 +14,7 @@ from ..utils import (
 
 
 class SlideshareIE(InfoExtractor):
-    _VALID_URL = r'https?://www\.slideshare\.net/[^/]+?/(?P<title>.+?)($|\?)'
+    _VALID_URL = r'https?://(?:www\.)?slideshare\.net/[^/]+?/(?P<title>.+?)($|\?)'
 
     _TEST = {
         'url': 'http://www.slideshare.net/Dataversity/keynote-presentation-managing-scale-and-complexity',