class ViewController: UIViewController {
@IBOutlet weak var textLabel: UILabel!
override func viewDidLoad() {
super.viewDidLoad()
let string = "我是一个葱，试试图文混排[abc.png]姓看看[-abc.png-]你人[-wedfweabc.png-]模狗样[abc.png][abc.png]的鬼鬼祟[def.png]祟不:说"
let patter = "\\[.*?\\]"
// let patter = ":.?,"
let regex = try? NSRegularExpression(pattern: patter, options: [])
let font = UIFont.systemFont(ofSize: 30);
let attMStr = NSMutableAttributedString(string: string, attributes: [NSFontAttributeName:font])
guard let results = regex?.matches(in: string, options: [], range: NSRange(location: 0, length: string.characters.count)) else {
return;
}
if results.count == 0 {
return
}
for i in (0...results.count - 1).reversed(){
let result = results[i]
print(result.range)
let imgName = (string as NSString).substring(with: result.range)
print(imgName)
let attchMent = NSTextAttachment()
attchMent.image = UIImage(named: imgName);
attchMent.bounds = CGRect(x: 0, y: -4, width: textLabel.font.lineHeight, height: textLabel.font.lineHeight)
let attstr = NSAttributedString(attachment: attchMent)
attMStr.replaceCharacters(in: result.range, with: attstr)
}
textLabel.attributedText = attMStr
}
}
