How can I underline text in iOS 6?

Question

I am trying to underline some text in a label. However, I do\'t know how to get the range of the entire text in the label. This is what I have so far:

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Answer 1

NSMutableAttributedString *attributedString =[[NSMutableAttributedString alloc] initWithString:strComplete];

[attributedString addAttribute:NSUnderlineStyleAttributeName
                         value:@(NSUnderlineStyleSingle)
                         range:[strComplete rangeOfString:strFirst]];

[attributedString addAttribute:NSForegroundColorAttributeName
                         value:[UIColor redColor]
                         range:[strComplete rangeOfString:strSecond]];


cell.textLabel.attributedText = attributedString;