- r'\.sig\|\|([a-zA-Z0-9$]+)\(', jscode,
- 'Initial JS player signature function name')
+ (r'(["\'])signature\1\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
+ r'\.sig\|\|(?P<sig>[a-zA-Z0-9$]+)\('),
+ jscode, 'Initial JS player signature function name', group='sig')