Repository: yt-dlp
Issue: [SpankBang] Unable to extract stream key
Labels: NSFW,site-bug

### Checklist

- [X] I'm reporting a bug unrelated to a specific site
- [X] I've verified that I'm running yt-dlp version **2022.06.22.1** ([update instructions](https://github.com/yt-dlp/yt-dlp#update)) or later (specify commit)
- [X] I've checked that all provided URLs are playable in a browser with the same IP and same login details
- [X] I've checked that all URLs and arguments with special characters are [properly quoted or escaped](https://github.com/ytdl-org/youtube-dl#video-url-contains-an-ampersand-and-im-getting-some-strange-output-1-2839-or-v-is-not-recognized-as-an-internal-or-external-command)
- [X] I've searched the [bugtracker](https://github.com/yt-dlp/yt-dlp/issues?q=) for similar issues including closed ones. DO NOT post duplicates
- [X] I've read the [guidelines for opening an issue](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#opening-an-issue)

### Description

Any issue here or bug?
Or something I missed?

### Verbose log

```shell
yt-dlp -Uv -f bestvideo+bestaudio/best --no-check-certificate --merge-output-format MKV -o "%(uploader)s/%(upload_date)s - %(title)s %(id)s.%(ext)s" --yes-playlist  --cookies-from-browser firefox "https://spankbang.com/3tmv9-a39rx0/playlist/whatever"
[debug] Command-line config: ['-Uv', '-f', 'bestvideo+bestaudio/best', '--no-check-certificate', '--merge-output-format', 'MKV', '-o', '%(uploader)s/%(upload_date)s - %(title)s %(id)s.%(ext)s', '--yes-playlist', '--cookies-from-browser', 'firefox', 'https://spankbang.com/3tmv9-a39rx0/playlist/whatever']
[debug] Encodings: locale UTF-8, fs utf-8, pref UTF-8, out utf-8, error utf-8, screen utf-8
[debug] yt-dlp version 2022.06.22.1 [a86e01e] (zip)
[debug] Python version 3.10.5 (CPython 64bit) - macOS-12.4-x86_64-i386-64bit
[debug] Checking exe version: ffmpeg -bsfs
[debug] Checking exe version: ffprobe -bsfs
[debug] exe versions: ffmpeg 4.4.1 (setts), ffprobe 4.4.1
[debug] Optional libraries: Crypto-3.14.1, certifi-2022.05.18.1, sqlite3-2.6.0
[Cookies] Extracting cookies from firefox
[debug] Extracting cookies from: "/Users/whatever/Library/Application Support/Firefox/Profiles/pcgoh2qs.default-release-1-1655470877398/cookies.sqlite"
[Cookies] Extracted 2467 cookies from firefox
[debug] Proxy map: {}
[debug] Fetching release info: https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest
Latest version: 2022.06.22.1, Current version: 2022.06.22.1
yt-dlp is up to date (2022.06.22.1)
[debug] [SpankBang] Extracting URL: https://spankbang.com/3tmv9-a39rx0/playlist/whatever
[SpankBang] a39rx0: Downloading webpage
ERROR: [SpankBang] Unable to extract stream key; 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/local/bin/yt-dlp/yt_dlp/extractor/common.py", line 647, in extract
    ie_result = self._real_extract(url)
  File "/usr/local/bin/yt-dlp/yt_dlp/extractor/spankbang.py", line 112, in _real_extract
    stream_key = self._search_regex(
  File "/usr/local/bin/yt-dlp/yt_dlp/extractor/common.py", line 1191, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)


```