聊天界面里是如何识别 URL 的呢？

[honeybeeSwinging]

你好，请教一下，请问在聊天界面里是如何识别 URL 的呢？谢谢！我的 QQ：834537795

[February12]

用正则表达式 // 识别网址 let regexURL = try! NSRegularExpression(pattern: "[a-zA-z]+://[^\s]*", options: NSRegularExpression.Options(rawValue: 0))

    let regexArrayURL = regexURL.matches(in: content, options: NSRegularExpression.MatchingOptions.reportProgress, range: NSRange(location: 0,length: content.characters.count))
    
    for result:NSTextCheckingResult in regexArrayURL {
        
        let range = result.range
        
        let border = YYTextBorder(fill: UIColor.lightGray, cornerRadius: 0)
        let highlight = YYTextHighlight()
        highlight.setColor(UIColor.blue)
        highlight.setBackgroundBorder(border)
        
        mutableText.yy_setColor(UIColor.blue, range: range)
        mutableText.yy_setTextHighlight(highlight, range: range)
        
    }

[honeybeeSwinging]

谢谢，看 swift 还不是太习惯啊，有 OC 的吗？