How to do a live UITextField count while typing (Swift)?

Question

I would like to count the character when user keep typing in UITextField with swift.

Image of Field and Label:

Answer 1

UITextView count while typing in Swift:

func textView(_ textView: UITextView, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool {

        let textCount = textView.text?.count ?? 0 + text.count - range.length
        self.textCountLabel.text  = "\(textCount)"
        return true
    }