Set the maximum characters allowed to type from the User for TextField in iOS Swift

We can set the maximum allowed characters to get the input from the user in swift.First, we have to add the delegate to the class.

Code:

class ViewController: UIViewController,UITextFieldDelegate {

}

We have to set the delegate to the text field in Storyboard or via code.

            TextField.delegate = self

Then implement the below method to control the input from the user.

// #MARK: - UITextFieldDelegate

    func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {

        guard let text = textField.text else { return true }

        let newLength = text.utf16.count + string.utf16.count - range.length

            return newLength <= 64

        // Bool

    }


The above I had put the maximum character count as 64.