CharacterSet+Extensions

CharacterSet+Extensions.swift

extension CharacterSet {
    
    static var alphanumericsWithSpace: CharacterSet {
        var characterSet = CharacterSet.alphanumerics
        characterSet.insert(charactersIn: " ")
        return characterSet
    }
    
    static var moneyTransferLargeCharacterSet: CharacterSet {
        var characterSet = alphanumericsWithSpace
        characterSet.insert(charactersIn: ".,-()*+[]:;")
        return characterSet
    }
    
    static var exampleCharacterSet: CharacterSet {
        return CharacterSet(charactersIn: "ExampleCharacterSet")
    }
    
    static var unionAndIntersectionCharacterSet: CharacterSet {
        return alphanumerics
            .union(.whitespacesAndNewlines)
            .intersection(.decimalDigits)
    }
    
}