Max length UITextField

Question

When I\'ve tried How to you set the maximum number of characters that can be entered into a UITextField using swift?, I saw that if I use all 10 characters, I can\'t erase t

Answer 1

Update for Swift 4

 func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
     guard let text = textField.text else { return true }
     let newLength = text.count + string.count - range.length
     return newLength <= 10
}