Support wildcards in --match-filter

[sebma]

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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 -v <your command line>
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'-v', u'http://www.youtube.com/watch?v=BaW_jenozKcj']
[debug] Encodings: locale cp1251, fs mbcs, out cp866, pref cp1251
[debug] youtube-dl version 2016.04.05
[debug] Python version 2.7.11 - Windows-2003Server-5.2.3790-SP2
[debug] exe versions: ffmpeg N-75573-g1d0487f, ffprobe N-75573-g1d0487f, rtmpdump 2.4
[debug] Proxy map: {}
...
<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

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Hi, the "--match-filter" does not work on the "description" key :

$  youtube-dl --ignore-config -v --get-title https://www.youtube.com/channel/UCFyNsaSkagjA-z-o6qf10nA/videos  --match-filter "description like *karambiri*"
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'--ignore-config', u'-v', u'--get-title', u'https://www.youtube.com/channel/UCFyNsaSkagjA-z-o6qf10nA/videos', u'--match-filter', u'description like *karambiri*']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2016.04.05
[debug] Python version 2.7.8 - Linux-3.16.0-44-generic-x86_64-with-Ubuntu-14.10-utopic
[debug] exe versions: avconv 11.2-6, avprobe 11.2-6, ffmpeg 3.0.1-1, ffprobe 3.0.1-1, rtmpdump 2.4
[debug] Proxy map: {}
Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl", line 11, in <module>
    sys.exit(main())
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/__init__.py", line 419, in main
    _real_main(argv)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/__init__.py", line 409, in _real_main
    retcode = ydl.download(all_urls)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 1725, in download
    url, force_generic_extractor=self.params.get('force_generic_extractor', False))
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 680, in extract_info
    return self.process_ie_result(ie_result, download, extra_info)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 732, in process_ie_result
    extra_info=extra_info)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 680, in extract_info
    return self.process_ie_result(ie_result, download, extra_info)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 840, in process_ie_result
    extra_info=extra)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 732, in process_ie_result
    extra_info=extra_info)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 680, in extract_info
    return self.process_ie_result(ie_result, download, extra_info)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 725, in process_ie_result
    return self.process_video_result(ie_result, download=download)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 1371, in process_video_result
    self.process_info(new_info)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 1442, in process_info
    reason = self._match_entry(info_dict, incomplete=False)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 632, in _match_entry
    ret = match_filter(info_dict)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/utils.py", line 2105, in _match_func
    if match_str(filter_str, info_dict):
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/utils.py", line 2100, in match_str
    _match_one(filter_part, dct) for filter_part in filter_str.split('&'))
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/utils.py", line 2100, in <genexpr>
    _match_one(filter_part, dct) for filter_part in filter_str.split('&'))
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/utils.py", line 2093, in _match_one
    raise ValueError('Invalid filter part %r' % filter_part)
ValueError: Invalid filter part u'description like *karambiri*'
$ echo $?
1

Can you help ?

[levrik]

I just wanted to download a bunch of videos from a Instagram profile with a specific hashtag. Sadly I can't check for existence of this hashtag since --match-filter doesn't support wildcards or RegEx.
Please add support for it! It would be really powerful.