method

validates_numericality_of

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What's this?

validates_numericality_of(*attr_names) public

Validates whether the value of the specified attribute is numeric by trying to convert it to a float with Kernel.Float (if only_integer is false) or applying it to the regular expression /\A[+\-]?\d+\z/ (if only_integer is set to true). Kernel.Float precision defaults to the column’s precision value or 15.

See ActiveModel::Validations::HelperMethods.validates_numericality_of for more information.

Show source

# File activerecord/lib/active_record/validations/numericality.rb, line 30
      def validates_numericality_of(*attr_names)
        validates_with NumericalityValidator, _merge_attributes(attr_names)
      end

validates_numericality_of

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