title and artist from --metadata-from-title is parsed by the last occurance of the separator string not the first occurance.

[yjs990427]

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If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

Add -v flag to your command line you run youtube-dl with, copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):

$ youtube-dl https://www.youtube.com/watch?v=xRHsEWIC8PI -x --metadata-from-title "%(artist)s - %(title)s" --add-metadata
[youtube] xRHsEWIC8PI: Downloading webpage
[youtube] xRHsEWIC8PI: Downloading video info webpage
[youtube] xRHsEWIC8PI: Extracting video information
[youtube] xRHsEWIC8PI: Downloading MPD manifest
[download] Destination: NieR - Automata OST - Wretched Weaponry (Quiet - Vocals)-xRHsEWIC8PI.webm
[download] 100% of 5.59MiB in 00:00
[fromtitle] parsed title: Vocals)
[fromtitle] parsed artist: NieR: Automata OST - Wretched Weaponry (Quiet
[ffmpeg] Destination: NieR - Automata OST - Wretched Weaponry (Quiet - Vocals)-xRHsEWIC8PI.opus
Deleting original file NieR - Automata OST - Wretched Weaponry (Quiet - Vocals)-xRHsEWIC8PI.webm (pass -k to keep)
[ffmpeg] Adding metadata to 'NieR - Automata OST - Wretched Weaponry (Quiet - Vocals)-xRHsEWIC8PI.opus'
...
<end of log>

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If the purpose of this issue is a site support request please provide all kinds of example URLs support for which should be included (replace following example URLs by yours):

• Single video: https://www.youtube.com/watch?v=BaW_jenozKc
• Single video: https://youtu.be/BaW_jenozKc
• Playlist: https://www.youtube.com/playlist?list=PL4lCao7KL_QFVb7Iudeipvc2BCavECqzc

Note that youtube-dl does not support sites dedicated to copyright infringement. In order for site support request to be accepted all provided example URLs should not violate any copyrights.

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Description of your issue, suggested solution and other information

So the title of the video is NieR - Automata OST - Wretched Weaponry (Quiet - Vocals) and I used "%(artist)s - %(title)s" to parse video as title of "Wretched Weaponry (Quiet - Vocals)" not "Vocals)" which is what youtube-dl is doing right now (parsing from the end).
Is there a way I can make youtube-dl parse the title as I want to?

[dstftw]

Since next version this will be possible with regex syntax --metadata-from-title "(?P<artist>.+?) - (?P<title>.+)".