Overview

ANSI escape codes can be used to output bold text in the console. Please note that

• In MAC/Linux system terminal supports ANSI escape codes

• Windows Command Prompt doesn’t support it. On windows, you can install Cygwin. ANSI escape codes work on that.

Program

class String
    def italic
        "\e[3m#{self}\e[23m"
     end
end

puts "Italic String".italic

Output