code: def parse_solr_geo_range_as_pair(geo_box_str):
      
      pattern = "\\[(.*) TO (.*)\\]"
      matcher = re.search(pattern, geo_box_str)
      if matcher:
          return matcher.group(1), matcher.group(2)
      else:
          raise Exception("Regex {0} could not parse {1}".format(pattern, geo_box_str))
docs: :param geo_box_str: [-90,-180 TO 90,180]
      :return: ("-90,-180", "90,180")