# File lib/more/facets/uri.rb, line 149
  def get_query_string(uri)
    return nil unless uri
    # gmosx: INVESTIGATE ruby's URI seems to differently handle
    # abs and rel uris.
    if md = URI::REGEXP::ABS_URI.match(uri)
      return md[8]
    elsif md = URI::REGEXP::REL_URI.match(uri)
      return md[7]
    end
    return nil
  end