Underline part of a string using NSMutableAttributedString in iOS 8 is not working

Question

I try to underline part of a string, for example, a \'string\' part in \'test string\' string. I\'m using NSMutableAttributedString and my sol

Answer 1

I used the following extension (using exidy's function) in playground/simulator and it worked fine , you may change/add attributes depending on your needs

 extension NSMutableAttributedString
{


    func changeWordsColour(terms:[NSString])
{
    let string = self.string as NSString
    self.addAttribute(NSForegroundColorAttributeName, value: UIColor.brownColor(), range: NSMakeRange(0, self.length))
    for term in terms
    {
        let underlineRange = string.rangeOfString(term as String)
        self.addAttribute(NSForegroundColorAttributeName, value: UIColor.redColor(), range: underlineRange)

    }
}
}

 let myStr = NSMutableAttributedString(string: "Change Words Colour")
 myStr.changeWordsColour(["change","Colour"])