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check_options_validity(name) private

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# File activemodel/lib/active_model/validations/format.rb, line 35
      def check_options_validity(name)
        if option = options[name]
          if option.is_a?(Regexp)
            if options[:multiline] != true && regexp_using_multiline_anchors?(option)
              raise ArgumentError, "The provided regular expression is using multiline anchors (^ or $), "                "which may present a security risk. Did you mean to use \\A and \\z, or forgot to add the "                ":multiline => true option?"
            end
          elsif !option.respond_to?(:call)
            raise ArgumentError, "A regular expression or a proc or lambda must be supplied as :#{name}"
          end
        end
      end
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