How to make an NSString path (file name) safe

Question

I\'m using very tricky fighting methods :) to make a string like Fi?le*/ Name safe for using as a file name like File_Name. I\'m sure there is a cocoa

Answer 1

I iterated on johnboiles's answer, converting to Swift, and writing it as an extension:

extension String {
    var stringForFilePath: String {
        // characterSet contains all illegal characters on OS X and Windows
        let characterSet = NSCharacterSet(charactersInString: "\"\\/?<>:*|")
        // replace "-" with character of choice
        return componentsSeparatedByCharactersInSet(characterSet).joinWithSeparator("-")
    }
}

Illegal character set referenced from here.