def ne(query_string, options = {:case_sensitive => false})
      do_comparison(query_string, options) do |comparator, item|
        comparator != item
      end
    end
def ne(query_string, options = {:case_sensitive => false})
      do_comparison(query_string, options) do |comparator, item|
        comparator != item
      end
    end
performs inequality comparison.

 see `eq` for notes on case sensitivity.