[youtube] Speed up upload date regex (#6125)

youtube_dl/extractor/youtube.py

@@ -1003,7 +1003,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
         mobj = re.search(r'(?s)id="eow-date.*?>(.*?)</span>', video_webpage)
         if mobj is None:
             mobj = re.search(
-                r'(?s)id="watch-uploader-info".*?>.*?(?:Published|Uploaded|Streamed live) on (.*?)</strong>',
+                r'id="watch-uploader-info".*?>.*?(?:Published|Uploaded|Streamed live|Started) on (.*?)</strong>',
                 video_webpage)
         if mobj is not None:
             upload_date = ' '.join(re.sub(r'[/,-]', r' ', mobj.group(1)).split())