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priceのバリデーションを半角数字で設定

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image.png
 1:priceのバリデーションの設定
 validates :price, numericality: { greater_than_or_equal_to: 0, less_than_or_equal_to: 9_999_999 },format: { with: /\A[0-9]+\z/}と記述することでpriceのバリデーションを半角数字で設定ができます。

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