From 68477e88399ce102da3485e03e67d104b051f959 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Tue, 9 Sep 2014 22:09:32 +0700
Subject: [PATCH] [khanacademy] Improve _VALID_URL (Closes #3695)

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

diff --git a/youtube_dl/extractor/khanacademy.py b/youtube_dl/extractor/khanacademy.py
index 04bac7517..408d00944 100644
--- a/youtube_dl/extractor/khanacademy.py
+++ b/youtube_dl/extractor/khanacademy.py
@@ -9,7 +9,7 @@
 
 
 class KhanAcademyIE(InfoExtractor):
-    _VALID_URL = r'^https?://(?:www\.)?khanacademy\.org/(?P<key>[^/]+)/(?:[^/]+/){,2}(?P<id>[^?#/]+)(?:$|[?#])'
+    _VALID_URL = r'^https?://(?:(?:www|api)\.)?khanacademy\.org/(?P<key>[^/]+)/(?:[^/]+/){,2}(?P<id>[^?#/]+)(?:$|[?#])'
     IE_NAME = 'KhanAcademy'
 
     _TESTS = [{