rajangdavis/osvc_ruby

class String
    def is_i?
       /\A[-+]?\d+\z/ === self
    end

    def camel_case_lower
        @class_to_array = self.split('')
        @class_name_length = @class_to_array.length - 1
        @output = @class_to_array.each_with_index do |letter,i|
            if i ==0
                letter.downcase!
            elsif i == @class_name_length
                letter.gsub!(/y/,'ie')
            end
        end.join

        @output + 's'
    end
end