Repository: yt-dlp
Issue: Skylinewebcams - Failed to extract stream url
Labels: site-bug,patch-available

### DO NOT REMOVE OR SKIP THE ISSUE TEMPLATE

- [X] I understand that I will be **blocked** if I *intentionally* remove or skip any mandatory\* field

### Checklist

- [X] I'm reporting a bug unrelated to a specific site
- [X] I've verified that I'm running yt-dlp version **2023.03.04** ([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/yt-dlp/yt-dlp/wiki/FAQ#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 [known issues](https://github.com/yt-dlp/yt-dlp/issues/3766) and 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)

### Provide a description that is worded well enough to be understood

Failed to fetch stream url from skylinewebcams

### Provide verbose output that clearly demonstrates the problem

- [X] Run **your** yt-dlp command with **-vU** flag added (`yt-dlp -vU <your command line>`)
- [ ] If using API, add `'verbose': True` to `YoutubeDL` params instead
- [X] Copy the WHOLE output (starting with `[debug] Command-line config`) and insert it below

### Complete Verbose Output

```shell
yt-dlp -vU https://www.skylinewebcams.com/en/webcam/espana/comunidad-valenciana/alicante/benidorm-playa-poniente-sur.html
[debug] Command-line config: ['-vU', 'https://www.skylinewebcams.com/en/webcam/espana/comunidad-valenciana/alicante/benidorm-playa-poniente-sur.html']
[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@2023.03.04 [392389b7d] (zip)
[debug] Python 3.9.2 (CPython aarch64 64bit) - Linux-5.15.76-v8+-aarch64-with-glibc2.31 (OpenSSL 1.1.1n  15 Mar 2022, glibc 2.31)
[debug] exe versions: ffmpeg 4.3.6-0, ffprobe 4.3.6-0, rtmpdump 2.4
[debug] Optional libraries: certifi-2020.06.20, no_Cryptodome-None, pyxattr-0.7.2, sqlite3-2.6.0
[debug] Proxy map: {}
[debug] Loaded 1786 extractors
[debug] Fetching release info: https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest
Available version: stable@2023.03.04, Current version: stable@2023.03.04
Current Build Hash: 91cad9f121c1f6f0a81b747415c46ecba0ff331ed38cc6433040b4ac7b6e15ca
yt-dlp is up to date (stable@2023.03.04)
[SkylineWebcams] Extracting URL: https://www.skylinewebcams.com/en/webcam/espana/comunidad-valenciana/alicante/benidorm-playa-poniente-sur.html
[SkylineWebcams] benidorm-playa-poniente-sur: Downloading webpage
ERROR: [SkylineWebcams] benidorm-playa-poniente-sur: Unable to extract stream url; 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 694, in extract
    ie_result = self._real_extract(url)
  File "/usr/local/bin/yt-dlp/yt_dlp/extractor/skylinewebcams.py", line 25, in _real_extract
    stream_url = self._search_regex(
  File "/usr/local/bin/yt-dlp/yt_dlp/extractor/common.py", line 1242, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)
```