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fny/whole_number_valdiator.rb

Created March 31, 2015 15:28
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whole_number_valdiator.rb
class WholeNumberValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
unless value =~ /\A\d+\.0*\z/
record.errors[attribute] << (options[:message] || "must be a whole number")
end
end
end
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