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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def filter(self, texts):
 u""" Returns a generator yielding the elements of `texts` matching this pattern. :type texts: typing.Iterable[text_type] :param texts: An iterable collection of texts to match :rtype: typing.Iterable[text_type] :return: A generator of filtered elements. """

        return (text for text in texts if self.regex.match(text) is not None)