iOS: How to display special characters in Swift [NSString]

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I am sending data via socket.io my app, which I want to embed the text of a parameter in a UILabel

Javascript server

socket.emit("app",{ac:"organización"})

iOS App

var ac = self.jsonOFsocket["ac"] as String
//ac === "organización"
self.label.text = ac
//self.label.text === "organizaci\U00f3n"

1. The socket.io the app sends unencrypted characters.


2. The app successfully receives all characters


3. The app shows different symbols

I try to do this:

func utf(txt:String) -> NSString {
   var newTxt = NSString(format:txt, NSUTF8StringEncoding)
   newTxt.precomposedStringWithCanonicalMapping
   return newTxt
}

var ac = self.jsonOFsocket["ac"] as String
//ac === "organización"
self.label.text = uft(ac)
//self.label.text === "organizaciââ¥n"

This is important:

organizaciââ¥n

asked 56 secs ago

user3704816

1

iOS: How to display special characters in Swift [NSString]