Filter Images, Audio and video from Media in Views?
You may consider to use File: Mime type filter instead of File: Path.

For all video files the Mime type always has a pattern: video/[video source or format]

it might be for example:

video/youtube 
video/vimeo
video/quicktime
video/mpeg
video/mp4


Applying the filter File: Mime type contains video will solve the problem for all video files, not only youtube.