rfc3339 の datetime の定義にmatchするはずの正規表現

date_time_regex-rfc3339.rb

module DateTimeRegex
  module RFC3339
    class << self
      def date_fullyear
        /\d{4}/
      end

      def date_month
        /\d{2}/
      end

      def date_mday
        /\d{2}/
      end

      def time_hour
        /\d{2}/
      end

      def time_minute
        /\d{2}/
      end

      def time_second
        /\d{2}/
      end

      def time_secfrac
        /\.\d/
      end

      def time_numoffset
        /[+-]#{time_hour}:#{time_minute}/
      end

      def time_offset
        /Z|#{time_numoffset}/
      end

      def partial_time
        /#{time_hour}:#{time_minute}:#{time_second}/
      end

      def full_date
        /#{date_fullyear}-#{date_month}-#{date_mday}/
      end

      def full_time
        /#{partial_time}#{time_offset}/
      end

      def date_time
        /#{full_date}T#{full_time}/
      end

      def to_s
        date_time.to_s
      end
    end
  end
end