postfixes to
        :param escape: a function that accepts a string and returns
           the same string with problematic characters escaped.  By
           default, :func:`re.escape` is used.
        :param ignore_case: whether case should be ignored when
           searching for matches
        :return: *haystack* with *beg* prefixing, and *end*
          postfixing, occurrences of the strings in *needles*
        c