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December 18, 2019 00:00
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Change the color of a single word in an attributed text string
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| // Change the color of one word | |
| upperTextView.headerLabel.textColor = .textGray | |
| if let text = upperTextView.headerLabel.text { | |
| if let range = text.range(of: "style")?.nsRange(in: text) { | |
| (text as NSString).substring(with: range) | |
| if let myString = upperTextView.headerLabel.attributedText { | |
| let mutable = NSMutableAttributedString(attributedString: myString) | |
| mutable.addAttribute(NSAttributedString.Key.foregroundColor, value: UIColor.white, range: range) | |
| upperTextView.headerLabel.attributedText = mutable | |
| } | |
| } | |
| } | |
| // for converting range to NSRange | |
| extension RangeExpression where Bound == String.Index { | |
| func nsRange<S: StringProtocol>(in string: S) -> NSRange { .init(self, in: string) } | |
| } |
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