(currently used by MTVIE)
"""
_VALID_URL = r'''(?x)
- (?:https?://www\.vevo\.com/watch/(?:[^/]+/[^/]+/)?|
+ (?:https?://www\.vevo\.com/watch/(?:[^/]+/(?:[^/]+/)?)?|
https?://cache\.vevo\.com/m/html/embed\.html\?video=|
https?://videoplayer\.vevo\.com/embed/embedded\?videoId=|
vevo:)