iOS: Tex with various colors or formats

Objective C

- (NSAttributedString*)_text

{

    NSString* differentColorText = @"differentColorText";

    

    NSString* fullText = [NSString stringWithFormat:@"some text %@ some more text", differentColorText];

    

    NSMutableAttributedString *string = [[NSMutableAttributedString alloc]initWithString:fullText];

    

    NSRange range = [fullText rangeOfString: differentColorText];

    

    [string addAttribute:NSForegroundColorAttributeName

                   value:[UIColor redColor]

                   range:range];

    [string addAttribute:NSFontAttributeName 

                   value:[UIFont boldSystemFontOfSize:12]       

                   range: range];

    

    return string;

}

[self.label setAttributedText:[self _text]];

Swift

let text = "some text"

let fullText = "something else \(text)"

let range = (fullText as NSString).range(of: text)

        

let attributedText = NSMutableAttributedString(string: fullText)

attributedText.addAttribute(NSAttributedStringKey.font, value: UIFont.boldSystemFont(ofSize: 17), range: range)

        

field.attributedText = attributedText