module ConvertHexToRgb

# File lib/convert_hex_to_rgb.rb, line 6
def hex_to_rgb
  symbols_from_input = self
  symbols_from_input.gsub!('#','')
  if !!(symbols_from_input =~ HEX_COLOR_REGEX)

    current_pattern =
    case symbols_from_input.length
    when 3
      /./
    when 6
      /../
    end

    prepared_array = symbols_from_input.scan current_pattern

    rgb =
    prepared_array.map do |d|
      digit =
      case symbols_from_input.length
      when 3
        d * 2
      when 6
        d
      end
      digit.to_i(16)
    end
  end
end