Question

How to convert string to hex in Swift

Answer 1

import Foundation

func textToHex(_ str: String) -> String {
    var hexString = ""
    
    for char in str {
        hexString.append(String(format: "%02X ", char.asciiValue!))
    }
    
    return hexString
}

let str = "Swift programming"

print(textToHex(str))




/*
run:

53 77 69 66 74 20 70 72 6F 67 72 61 6D 6D 69 6E 67 

*/

 

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