大家都知道，UITextVview可以用以下方法自动检测text中的链接：
let label = UITextView()
label.dataDetectorTypes = .link
label.isEditable = false
如果我们使用的attributedString后，会发现如果添加Attachment后，会触发一个选择（编辑的GR），如果我们只想要链接的gr，不想要选择的gr，可以遍历并禁用它。方法如下：
传送门：http://stackoverflow.co[......]
http://stackoverflow.com/questions/38408645/swift-regex-to-match-unicodes
The Unicode code point of the emoji you have shown is U+1F600.
(Unicode 9.0 Character Code Charts - Emoticons)
And your regex pattern (which may work for UTF-16 repres[......]
http://stackoverflow.com/questions/14523348/how-to-change-the-background-color-of-a-uibutton-while-its-highlighted
UIButton只能设置按下的背景图片，所以我们可以曲线救国，将背景色转换为一张图片
Return an image made from the highlight colour you want. This could also be a category[......]
https://http2.akamai.com/demo[......]
多行文本，如何让UITextView自动换行，且高度自适应
view.addSubview(textView)
let width = UIScreen.main.bounds.width - 40
let size = textView.sizeThatFits(CGSize(width: width, height: CGFloat.greatestFiniteMagnitude))
textView.snp.makeC[......]