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-rw-r--r--youtube_dl/extractor/youtube.py2
1 files changed, 1 insertions, 1 deletions
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)