def uncolored(string = nil) # :yields:
      if block_given?
        yield.gsub(COLORED_REGEXP, '')
      elsif string
        string.gsub(COLORED_REGEXP, '')
      elsif respond_to?(:to_str)
        gsub(COLORED_REGEXP, '')
      else
        ''
      end
    end
def uncolored(string = nil) # :yields:
      if block_given?
        yield.gsub(COLORED_REGEXP, '')
      elsif string
        string.gsub(COLORED_REGEXP, '')
      elsif respond_to?(:to_str)
        gsub(COLORED_REGEXP, '')
      else
        ''
      end
    end
Returns an uncolored version of the string, that is all
 ANSI-sequences are stripped from the string.