Detect UITextView character on touched (UITextView only)

UITextViewTouched

import UIKit

class ViewController: UIViewController {

    @IBOutlet weak var label: UITextView!
    
    @IBOutlet weak var labelOverlat: UIView!
    override func viewDidLoad() {
        super.viewDidLoad()
        
        let tapGesture = UITapGestureRecognizer(target: self, action: #selector(labelTapped(_:)))
        label.isUserInteractionEnabled = true
        label.addGestureRecognizer(tapGesture)
    }
    
    @objc func labelTapped(_ gesture: UITapGestureRecognizer) {
        guard let label = gesture.view as? UITextView else { return }
        
        let attributedText = label.attributedText ?? NSAttributedString(string: label.text ?? "")
        let text = attributedText.string
        let font = label.font ?? UIFont.systemFont(ofSize: 17.0)
        
        let textStorage = NSTextStorage(attributedString: attributedText)
        let layoutManager = NSLayoutManager()
        textStorage.addLayoutManager(layoutManager)
        
        let textContainer = NSTextContainer(size: label.bounds.size)
        layoutManager.addTextContainer(textContainer)
        
        let location = gesture.location(in: label)
        let textOffset = CGPoint(x: location.x, y: location.y)
        let characterIndex = layoutManager.characterIndex(for: textOffset, in: textContainer, fractionOfDistanceBetweenInsertionPoints: nil)
        
        if characterIndex < text.count {
            let characterRange = NSRange(location: characterIndex, length: 1)
            let glyphRange = layoutManager.glyphRange(forCharacterRange: characterRange, actualCharacterRange: nil)
            
            var glyphRect = layoutManager.boundingRect(forGlyphRange: glyphRange, in: textContainer)
            glyphRect.origin.x += label.textContainerInset.left
            glyphRect.origin.y += label.textContainerInset.top
            
            let lineRect = layoutManager.lineFragmentUsedRect(forGlyphAt: glyphRange.location, effectiveRange: nil)
            let finalRect = CGRect(x: glyphRect.origin.x, y: lineRect.origin.y, width: glyphRect.width, height: lineRect.height)
            
            if finalRect.contains(location) {
                let tappedCharacter = (label.text as NSString?)?.substring(with: NSRange(location: characterIndex, length: 1))
                print("Tapped character: \(tappedCharacter)")
            }
        }
    }

}