+    }, {
+        'url': 'https://www.vessel.com/embed/G4U7gUJ6a?w=615&h=346',
+        'only_matching': True,
+    }, {
+        'url': 'https://www.vessel.com/videos/F01_dsLj1',
+        'only_matching': True,
+    }, {
+        'url': 'https://www.vessel.com/videos/RRX-sir-J',
+        'only_matching': True,
+    }]
+
+    @staticmethod
+    def _extract_urls(webpage):
+        return [url for _, url in re.findall(
+            r'<iframe[^>]+src=(["\'])((?:https?:)?//(?:www\.)?vessel\.com/embed/[0-9a-zA-Z-_]+.*?)\1',
+            webpage)]