_VALID_URL = r'https?://(?:www\.)?(?:mdr|kika)\.de/(?:.*)/[a-z]+(?P<id>\d+)(?:_.+?)?\.html'
_TESTS = [{
- # MDR regularily deletes its videos
+ # MDR regularly deletes its videos
'url': 'http://www.mdr.de/fakt/video189002.html',
'only_matching': True,
}, {