Implemented requested changes.

- Removed unused capture group from URL regex.
- Removed tests for additional series with similar names.
- Relaxed regex for parsing the video ID from webpage HTML.
- Use video_id instead of id to prevent shadowing of built-in names.

youtube_dl/extractor/tele5.py

@@ -6,7 +6,7 @@ from .nexx import NexxIE
 
 
 class Tele5IE(InfoExtractor):
-    _VALID_URL = r'https://www.tele5.de/(mediathek/filme-online/videos|tv/).*'
+    _VALID_URL = r'https://www.tele5.de/[mediathek/filme-online/videos|tv/]'
 
     _TESTS = [{
         'url': 'https://www.tele5.de/mediathek/filme-online/videos?vid=1550589',
@@ -26,33 +26,15 @@ class Tele5IE(InfoExtractor):
             'timestamp': 1533664358,
             'upload_date': '20180807'
         }
-    }, {
-        'url': 'https://www.tele5.de/tv/relic-hunter/videos',
-        'info_dict': {
-            'id': '1548034',
-            'ext': 'mp4',
-            'timestamp': 1533577964,
-            'upload_date': '20180806',
-            'title': 'Mr. Right'
-        }
-    }, {
-        'url': 'https://www.tele5.de/tv/buffy-im-bann-der-daemonen/videos',
-        'info_dict': {
-            'id': '1547129',
-            'ext': 'mp4',
-            'upload_date': '20180730',
-            'timestamp': 1532967491,
-            'title': 'Der Höllenhund'
-        }
     }]
 
     def _real_extract(self, url):
         webpage = self._download_webpage(url, 'N/A')
 
-        id = self._html_search_regex(
+        video_id = self._html_search_regex(
-            r'class="ce_videoelementnexx-video__player"\sid="video-player"\sdata-id="(?P<id>[0-9]+)"',
+            r'id="video-player"\sdata-id="(?P<id>[0-9]+)"',
             webpage, 'id')
 
         return self.url_result(
             'https://api.nexx.cloud/v3/759/videos/byid/%s'
-            % id, ie=NexxIE.ie_key())
+            % video_id, ie=NexxIE.ie_key())