check_options_validity(options, name) private

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# File activemodel/lib/active_model/validations/format.rb, line 35
      def check_options_validity(options, name)
        option = options[name]
        if option && !option.is_a?(Regexp) && !option.respond_to?(:call)
          raise ArgumentError, "A regular expression or a proc or lambda must be supplied as :#{name}"
        end
      end
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