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[koheisg]

ruby2.4の新機能

[mactkg]

matchよさそう

[oooooooo]

pattern = /(?<year>\d{4})-(?<month>\d{2})-(?<day>\d{2})/ pattern.match('2016-02-01').values_at(:year, :month) # => ["2016", "02"]

[udzura]

簡潔で要点を押さえてる感