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chucker34/gist:f1c9f8d3d3dda7d6ba02 Secret

Created November 6, 2014 14:49
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validation
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gistfile1.rb
class Code < ActiveRecord::Base
validates :limit,
allow_blank: true,
format: { with: /\A(\d{4})-(\d{1,2})-(\d{1,2})\z/, message: "は2015-01-01の形式で入力してください" }
end
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