From 19e130cedf09d035a8b910344745a46ec7d3c200 Mon Sep 17 00:00:00 2001
From: Sergey M <dstftw@gmail.com>
Date: Thu, 19 Oct 2017 04:44:58 +0700
Subject: [PATCH] Update unity.py

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

diff --git a/youtube_dl/extractor/unity.py b/youtube_dl/extractor/unity.py
index 793346ac0..73daacf29 100644
--- a/youtube_dl/extractor/unity.py
+++ b/youtube_dl/extractor/unity.py
@@ -5,7 +5,7 @@ from .youtube import YoutubeIE
 
 
 class UnityIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:www\.)?unity3d\.com/learn/tutorials/(?:.*)/(?P<id>[0-9a-zA-Z-]+)'
+    _VALID_URL = r'https?://(?:www\.)?unity3d\.com/learn/tutorials/(?:[^/]+/)*(?P<id>[^/?#&]+)'
     _TESTS = [{
         'url': 'https://unity3d.com/learn/tutorials/topics/animation/animate-anything-mecanim',
         'info_dict': {