Preventing line breaks in part of an NSAttributedString

Question

I am working on a UILabel which features large main text followed by smaller text that tells you who said it:

Answer 1

@brian-nickel great solution in Swift 5.1 and in a String extension

extension String {
    var withoutLineBreak: String {
        self.replacingOccurrences(of: " ", with: "\u{a0}")
            .replacingOccurrences(of: "-", with: "\u{2011}")
    }
}