Create Multiple Tappable Links in a UILabel

MultipleTapLabel.swift

extension UITapGestureRecognizer {

    func didTapAttributedTextInLabel(label: UILabel, inRange targetRange: NSRange) -> Bool {
        // Create instances of NSLayoutManager, NSTextContainer and NSTextStorage
        let layoutManager = NSLayoutManager()
        let textContainer = NSTextContainer(size: CGSize.zero)
        let textStorage = NSTextStorage(attributedString: label.attributedText!)

        // Configure layoutManager and textStorage
        layoutManager.addTextContainer(textContainer)
        textStorage.addLayoutManager(layoutManager)

        // Configure textContainer
        textContainer.lineFragmentPadding = 0.0
        textContainer.lineBreakMode = label.lineBreakMode
        textContainer.maximumNumberOfLines = label.numberOfLines
        let labelSize = label.bounds.size
        textContainer.size = labelSize

        // Find the tapped character location and compare it to the specified range
        let locationOfTouchInLabel = self.location(in: label)
        let textBoundingBox = layoutManager.usedRect(for: textContainer)
        let textContainerOffset = CGPoint(x: (labelSize.width - textBoundingBox.size.width) * 0.5 - textBoundingBox.origin.x,
                                          y: (labelSize.height - textBoundingBox.size.height) * 0.5 - textBoundingBox.origin.y);
        let locationOfTouchInTextContainer = CGPoint(x: locationOfTouchInLabel.x - textContainerOffset.x, y:
            locationOfTouchInLabel.y - textContainerOffset.y);
        let indexOfCharacter = layoutManager.characterIndex(for: locationOfTouchInTextContainer, in: textContainer, fractionOfDistanceBetweenInsertionPoints: nil)

        return NSLocationInRange(indexOfCharacter, targetRange)
    }

}

//For example adding uilabel then setup
let lblPrivacyTerm = UILabel()
func setupMultipleTapLabel() {
    lblPrivacyTerm.text = "By signing up you agree to our Terms of service and Privacy policy"
    let text = (lblPrivacyTerm.text)!
    let underlineAttriString = NSMutableAttributedString(string: text)
    let range1 = (text as NSString).range(of: "Terms of service")
    underlineAttriString.addAttribute(.foregroundColor, value: UIColor.blue, range: range1)
    let range2 = (text as NSString).range(of: "Privacy policy")
    underlineAttriString.addAttribute(NSAttributedString.Key.underlineStyle, value: NSUnderlineStyle.single.rawValue, range: range2)
    lblPrivacyTerm.attributedText = underlineAttriString
    let tapAction = UITapGestureRecognizer(target: self, action: #selector(self.tapLabel(gesture:)))
    lblPrivacyTerm.isUserInteractionEnabled = true
    lblPrivacyTerm.addGestureRecognizer(tapAction)
}

@IBAction func tapLabel(gesture: UITapGestureRecognizer) {
    let text = (lblPrivacyTerm.text)!
    let termsRange = (text as NSString).range(of: "Terms of service")
    let privacyRange = (text as NSString).range(of: "Privacy policy")

    if gesture.didTapAttributedTextInLabel(label: lblPrivacyTerm, inRange: termsRange) {
        print("Terms of service")
    } else if gesture.didTapAttributedTextInLabel(label: lblPrivacyTerm, inRange: privacyRange) {
        print("Privacy policy")
    } else {
        print("Tapped none")
    }
}