Repository: youtube-dl
Issue: BFM business video extraction fails
Labels: broken-IE,patch-available

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## Checklist

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Carefully read and work through this check list in order to prevent the most common mistakes and misuse of youtube-dl:
- First of, make sure you are using the latest version of youtube-dl. Run `youtube-dl --version` and ensure your version is 2021.12.17. If it's not, see https://yt-dl.org/update on how to update. Issues with outdated version will be REJECTED.
- Make sure that all provided video/audio/playlist URLs (if any) are alive and playable in a browser.
- Make sure that all URLs and arguments with special characters are properly quoted or escaped as explained in http://yt-dl.org/escape.
- Search the bugtracker for similar issues: http://yt-dl.org/search-issues. DO NOT post duplicates.
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- [ x] I'm reporting a broken site support issue
- [ x] I've verified that I'm running youtube-dl version **2023.10.13**
- [ x] I've checked that all provided URLs are alive and playable in a browser
- [ x] I've checked that all URLs and arguments with special characters are properly quoted or escaped
- [ x] I've searched the bugtracker for similar bug reports including closed ones
- [ x] I've read bugs section in FAQ


## Verbose log

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Provide the complete verbose output of youtube-dl that clearly demonstrates the problem.
Add the `-v` flag to your command line you run youtube-dl with (`youtube-dl -v <your command line>`), copy the WHOLE output and insert it below. It should look similar to this:
 [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 2021.12.17
 [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: {}
 <more lines>
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```
[debug] Command-line config: ['https://www.bfmtv.com/economie/replay-emissions/les-experts/les-experts-transition-verte-qui-doit-payer-13-10_VN-202310130321.html', '-v']
[debug] Encodings: locale UTF-8, fs utf-8, pref UTF-8, out utf-8, error utf-8, screen utf-8
[debug] yt-dlp version stable@2023.10.13 [b634ba742] (zip)
[debug] Python 3.11.2 (CPython x86_64 64bit) - Linux-6.1.57-x86_64-with-glibc2.36 (OpenSSL 3.0.11 19 Sep 2023, glibc 2.36)
[debug] exe versions: ffmpeg 5.1.3-1 (setts), ffprobe 5.1.3-1
[debug] Optional libraries: Cryptodome-3.11.0, brotli-1.0.9, certifi-2022.09.24, mutagen-1.46.0, pyxattr-0.8.1, requests-2.28.1, sqlite3-3.40.1, urllib3-1.26.12
[debug] Proxy map: {}
[debug] Request Handlers: urllib
[debug] Loaded 1890 extractors
[bfmtv] Extracting URL: https://www.bfmtv.com/economie/replay-emissions/les-experts/les-experts-transition-verte-qui-doit-payer-13-10_VN-202310130321.html
[bfmtv] 202310130321: Downloading webpage
ERROR: [bfmtv] 202310130321: Unable to extract video block; please report this issue on  https://github.com/yt-dlp/yt-dlp/issues?q= , filling out the appropriate issue template. Confirm you are on the latest version using  yt-dlp -U
  File "/usr/bin/youtube-dl/yt_dlp/extractor/common.py", line 715, in extract
    ie_result = self._real_extract(url)
                ^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/bin/youtube-dl/yt_dlp/extractor/bfmtv.py", line 43, in _real_extract
    video_block = extract_attributes(self._search_regex(
                                     ^^^^^^^^^^^^^^^^^^^
  File "/usr/bin/youtube-dl/yt_dlp/extractor/common.py", line 1263, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)

```


## Description

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The extraction fails since October 17th, 2023