From c26e9ac4b2ce104fed39d37f87b1b253c3346a93 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jaime=20Marqui=CC=81nez=20Ferra=CC=81ndiz?=
 <jaime.marquinez.ferrandiz@gmail.com>
Date: Thu, 19 Jun 2014 16:36:42 +0200
Subject: [PATCH] [youtube] Recognize signature functions that contain '$'
 (fixes #3104)

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

diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index ece62dfce..d45545ee4 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -440,7 +440,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
 
     def _parse_sig_js(self, jscode):
         funcname = self._search_regex(
-            r'signature=([a-zA-Z]+)', jscode,
+            r'signature=([$a-zA-Z]+)', jscode,
              u'Initial JS player signature function name')
 
         jsi = JSInterpreter(jscode)
-- 
2.22.2