A&E broken, possibly due to overly restrictive URL validation?

[tv21]

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• At least skimmed through the README, most notably the FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones
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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 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 here. It should look similar to one below (replace it with your log inserted between triple ```):

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'--restrict-filenames', u'--ap-mso', u'PRIVATE', u'--ap-username', u'PRIVATE', u'--ap-password', u'PRIVATE', u'--verbose', u'http://www.aetv.com/shows/storage-wars/season-11/episode-20']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2018.02.22
[debug] Python version 2.7.12 (CPython) - Linux-4.4.0-116-generic-x86_64-with-Ubuntu-16.04-xenial
[debug] exe versions: ffmpeg 3.4.1-static, ffprobe 3.4.1-static
[debug] Proxy map: {}
[aenetworks] storage-wars/season-11/episode-20: Downloading webpage
[aenetworks] 1155016259686: Downloading JSON metadata
[aenetworks] 1155016259686: Retrieving Media Token
[aenetworks] 1155016259686: Downloading SMIL data
[aenetworks] 1155016259686: Checking video URL
[aenetworks] 1155016259686: video URL is invalid, skipping
[aenetworks] 1155016259686: Checking video URL
[aenetworks] 1155016259686: video URL is invalid, skipping
[aenetworks] 1155016259686: Checking video URL
[aenetworks] 1155016259686: video URL is invalid, skipping
[aenetworks] 1155016259686: Checking video URL
[aenetworks] 1155016259686: video URL is invalid, skipping
[aenetworks] 1155016259686: Checking video URL
[aenetworks] 1155016259686: video URL is invalid, skipping
[aenetworks] 1155016259686: Checking video URL
[aenetworks] 1155016259686: video URL is invalid, skipping
[aenetworks] 1155016259686: Checking video URL
[aenetworks] 1155016259686: video URL is invalid, skipping
[aenetworks] 1155016259686: Checking video URL
[aenetworks] 1155016259686: video URL is invalid, skipping
ERROR: No video formats found; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 785, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 440, in extract
    ie_result = self._real_extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/aenetworks.py", line 148, in _real_extract
    self._sort_formats(formats)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 1071, in _sort_formats
    raise ExtractorError('No video formats found')
ExtractorError: No video formats found; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.<end of log>

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Description of your issue, suggested solution and other information

It appears that A&E has changed their site in some way so that youtube-dl thinks the video URL's returned are invalid. In fact they may be correct, but I don't know because it doesn't show what URL's it's getting, however my suspicion is that it is testing the URL's against some pattern that is no longer matched (I am not a programmer so don't take my word on that). You can still play the videos on the site. My suggestion would be to try loosening whatever validation test is currently being used, that is causing the "video URL is invalid" message.