Support TeamCoco URLs with video_id in the title

If the URL has the video_id in it, use that since the current method of
finding the id breaks on those pages.

Fixes 2698.
Add a test for the new URL pages

Add a test for the pages with the video_id in the URL.
Workaround for regex engine limitation
Revert "Workaround for regex engine limitation"

This reverts commit 6d0d573ecaf763ce2b043ef7f83a743170eab16d.
Merge remote-tracking branch 'AGSPhoenix/teamcoco-fix'
[teamcoco] Fix regex in 2.6 (#2700)

The re engine does not want to repeat an empty string, for fear that something like

    (.*)*

could be matching the tokens ...

    ""
    "" ""
    "" "" ""

Of course, that's harmless with a question mark, although still somewhat strange.