[AmazonStoreIE] Fix regex to not match vdp urls (#1699)

Closes: #1698 
Authored by: Ashish0804

yt_dlp/extractor/amazon.py

@@ -4,7 +4,7 @@ from ..utils import int_or_none
 
 
 class AmazonStoreIE(InfoExtractor):
-    _VALID_URL = r'(?:https?://)(?:www\.)?amazon\.(?:[a-z]{2,3})(?:\.[a-z]{2})?/[^/]*/?(?:dp|gp/product)/(?P<id>[^/&#$?]+)'
+    _VALID_URL = r'(?:https?://)(?:www\.)?amazon\.(?:[a-z]{2,3})(?:\.[a-z]{2})?/(?:[^/]+/)?(?:dp|gp/product)/(?P<id>[^/&#$?]+)'
 
     _TESTS = [{
         'url': 'https://www.amazon.co.uk/dp/B098XNCHLD/',