How do you delete all the characters from a String in Swift using a CharacterSet?
let characterSet = CharacterSet.letters.inverted
let string = "Hello123"
// Does a function like this exist?
string.removeCharacters(in: characterSet)
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1One solution can be found in [this answer](https://stackoverflow.com/a/36607684/20287183). – HangarRash Apr 16 '23 at 17:03
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`string.filter { !$0.isLetter }` – Leo Dabus Apr 16 '23 at 17:41