def search(self, pattern, count=None):
        """
        Search the keys of the given hash using the specified pattern.

        :param str pattern: Pattern used to match keys.
        :param int count: Limit number of results returned.
        :returns: An iterator yielding matching key/value pairs.
        """
        return self._scan(match=pattern, count=count)
Search the keys of the given hash using the specified pattern.

        :param str pattern: Pattern used to match keys.
        :param int count: Limit number of results returned.
        :returns: An iterator yielding matching key/value pairs.