code: def returnToMatches(allowed_return_to_urls, return_to):
      
  
      for allowed_return_to in allowed_return_to_urls:
          # A return_to pattern works the same as a realm, except that
          # it's not allowed to use a wildcard. We'll model this by
          # parsing it as a realm, and not trying to match it if it has
          # a wildcard.
  
          return_realm = TrustRoot.parse(allowed_return_to)
          if (# Parses as a trust root
              return_realm is not None and
  
              # Does not have a wildcard
              not return_realm.wildcard and
  
              # Matches the return_to that we passed in with it
              return_realm.validateURL(return_to)
              ):
              return True
  
      # No URL in the list matched
      return False
docs: Is the return_to URL under one of the supplied allowed
      return_to URLs?
  
      @since: 2.1.0