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How to copy text to the clipboard using UIPasteboard

Swift version: 5.4

Paul Hudson    @twostraws   

You can write to and read from the iOS clipboard by using the UIPasteboard class, which has a generalPasteboard() method that returns the shared system method of copying and pasting data between apps. Using this you can write text to the clipboard just like this:

let pasteboard = UIPasteboard.general
pasteboard.string = "Hello, world!"

To read text back from the clipboard, you should unwrap its optional value like this:

if let string = pasteboard.string {
    // text was found and placed in the "string" constant
}
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