[extractor/thesun] Update `_VALID_URL` (#6522)

Authored by: hatienl0i261299
Closes #6479

yt_dlp/extractor/thesun.py

@@ -5,15 +5,22 @@ from ..utils import extract_attributes
 
 
 class TheSunIE(InfoExtractor):
-    _VALID_URL = r'https://(?:www\.)?thesun\.co\.uk/[^/]+/(?P<id>\d+)'
-    _TEST = {
+    _VALID_URL = r'https?://(?:www\.)?the-?sun(\.co\.uk|\.com)/[^/]+/(?P<id>\d+)'
+    _TESTS = [{
         'url': 'https://www.thesun.co.uk/tvandshowbiz/2261604/orlando-bloom-and-katy-perry-post-adorable-instagram-video-together-celebrating-thanksgiving-after-split-rumours/',
         'info_dict': {
             'id': '2261604',
             'title': 'md5:cba22f48bad9218b64d5bbe0e16afddf',
         },
         'playlist_count': 2,
-    }
+    }, {
+        'url': 'https://www.the-sun.com/entertainment/7611415/1000lb-sisters-fans-rip-amy-dangerous-health-decision/',
+        'info_dict': {
+            'id': '7611415',
+            'title': 'md5:e0b9b976f79dc770e5c80f22f40bb844',
+        },
+        'playlist_count': 1,
+    }]
     BRIGHTCOVE_URL_TEMPLATE = 'http://players.brightcove.net/%s/default_default/index.html?videoId=%s'
 
     def _real_extract(self, url):