Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
- guard let text = textField.text, text.count < 4 else { return false }
- return true
- }
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement