[Discovery] de.hgtv.com is not supported

[dennisoderwald]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2021.02.10
• I've checked that all provided URLs are alive and playable in a browser
• I've checked that all URLs and arguments with special characters are properly quoted or escaped
• I've searched the bugtracker for similar issues including closed ones

Verbose log

youtube-dl https://de.hgtv.com/sendungen/haus-flipping-mit-tarek/altes-haus-mit-charme/
[generic] altes-haus-mit-charme: Requesting header
WARNING: Falling back on generic information extractor.
[generic] altes-haus-mit-charme: Downloading webpage
[generic] altes-haus-mit-charme: Extracting information
ERROR: Unsupported URL: https://de.hgtv.com/sendungen/haus-flipping-mit-tarek/altes-haus-mit-charme/

Description

The page of HGTV Germany has the same structure as DMAX and TLC, here the regex would have to be adapted accordingly that the above mentioned url is supported.

I had already tried it myself, but my regex knowledge fails with this complicated string.