Swift 2 How to encode from ASCII to Hexadecimal

Question

I have a simple ASCII string and i want to convert it to hexadecimal (base16). I\'m using xCode 7 (so i\'m on IOS9) but i can\'t find any solution anywhere.

I tried to c

Answer 1

"abcdefghijklmnopqrstuvwxyz0123456789".utf8.map{ $0 }.reduce("") {
    $0 + String($1, radix: 16, uppercase: false)
}

modify it by your needs

"ABCD".utf8.map{ $0 }.reduce("") {
    $0 + "0x" + String($1, radix: 16, uppercase: false) + " "
}
// 0x41 0x42 0x43 0x44