ExternalLinkTextView.swift

class MyViewController : UIViewController {
    override func loadView() {
        let view = UIView()
        view.backgroundColor = .white

        let htmlString = """
        <a style="text-decoration:none; font-weight:bold;" href="https://verse.me/en/faq">How Verse takes care of your money</a>
        """
        let textView = ExternalLinkTextView(htmlString: htmlString)
        view.addSubview(textView)
        textView.centerXAnchor.constraint(equalTo: view.centerXAnchor).isActive = true
        textView.centerYAnchor.constraint(equalTo: view.centerYAnchor).isActive = true

        self.view = view
    }
}

class ExternalLinkTextView: UIView,  UITextViewDelegate {

    private let textView = UITextView()

    init(htmlString: String) {
        super.init(frame: .zero)
        translatesAutoresizingMaskIntoConstraints = false
        addSubview(textView)
        NSLayoutConstraint.activate([
            textView.leftAnchor.constraint(equalTo: leftAnchor),
            textView.rightAnchor.constraint(equalTo: rightAnchor),
            textView.topAnchor.constraint(equalTo: topAnchor),
            textView.bottomAnchor.constraint(equalTo: bottomAnchor),
        ])

        // TODO: avoid force unwraps
        let data = htmlString.data(using: .utf8)!
        let attributedString = try! NSAttributedString(data: data, options: [.documentType: NSAttributedString.DocumentType.html, .characterEncoding: String.Encoding.utf8.rawValue], documentAttributes: nil)

        textView.attributedText = attributedString
        textView.isEditable = false
        textView.isScrollEnabled = false
        textView.delegate = self
        textView.translatesAutoresizingMaskIntoConstraints = false
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    func textView(_ textView: UITextView, shouldInteractWith URL: URL, in characterRange: NSRange, interaction: UITextItemInteraction) -> Bool {
        print(URL)
        return true
    }
}