parameters: (self)
docstring: Deletes all extraction rules.
  
          Returns None.
docstring_summary: Deletes all extraction rules.
docstring_tokens: Deletes all extraction rules .
function: def clear_rules(self):
          '''
          Deletes all extraction rules.
  
          Returns None.
          '''
          self.extract_rules = []
function_tokens: def clear_rules ( self ) : self . extract_rules = [ ]