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NSAttributedString+Highlight
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| extension NSAttributedString { | |
| func highlighting(_ substring: String, using color: UIColor) -> NSAttributedString { | |
| let attributedString = NSMutableAttributedString(attributedString: self) | |
| attributedString.addAttribute(.foregroundColor, value: color, range: (self.string as NSString).range(of: substring)) | |
| return attributedString | |
| } | |
| } | |
| // Usage: | |
| label.attributedText = NSAttributedString(string: "Budapest") | |
| label.attributedText = label.attributedText?.highlighting("Bud", using: .blue) |
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