parse_raw_value_as_a_number

# File activemodel/lib/active_model/validations/numericality.rb, line 58
      def parse_raw_value_as_a_number(raw_value)
        case raw_value
        when /\A0[xX]/
          nil
        else
          begin
            Kernel.Float(raw_value)
          rescue ArgumentError, TypeError
            nil
          end
        end
      end