From 27694fe7ad77d5f99d7b46fa7395f4ccbb378777 Mon Sep 17 00:00:00 2001
From: Remita Amine <remitamine@gmail.com>
Date: Sat, 19 May 2018 11:04:08 +0100
Subject: [PATCH] [imdb:list] fix _VALID_URL regex

---
 youtube_dl/extractor/imdb.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/youtube_dl/extractor/imdb.py b/youtube_dl/extractor/imdb.py
index 926c2c3888..4bafa54a21 100644
--- a/youtube_dl/extractor/imdb.py
+++ b/youtube_dl/extractor/imdb.py
@@ -92,7 +92,7 @@ def _real_extract(self, url):
 class ImdbListIE(InfoExtractor):
     IE_NAME = 'imdb:list'
     IE_DESC = 'Internet Movie Database lists'
-    _VALID_URL = r'https?://(?:www\.)?imdb\.com/list/ls(?P<id>\d+)(?!/videoplayer/vi\d+)'
+    _VALID_URL = r'https?://(?:www\.)?imdb\.com/list/ls(?P<id>\d{9})(?!/videoplayer/vi\d+)'
     _TEST = {
         'url': 'https://www.imdb.com/list/ls009921623/',
         'info_dict': {