Change font of substring swift

let longestWordRange = (longString as NSString).range(of: longestWord)

let attributedString = NSMutableAttributedString(string: longString, attributes: [NSAttributedStringKey.font : UIFont.systemFont(ofSize: 20)])

attributedString.setAttributes([NSAttributedStringKey.font : UIFont.boldSystemFont(ofSize: 20), NSAttributedStringKey.foregroundColor : UIColor.red], range: longestWordRange)

Source: stackoverflow.com

Similar codes

0 vote211 views1 answer
How to add two right bar button item xcode
Swift
0 vote204 views1 answer
Swift set uiimage color
Swift
2 votes203 views1 answer
Swift scrollview hide scrollbar
Swift
1 vote197 views1 answer
Swift set view z order front
Swift
0 vote202 views1 answer
Table flutter stackoverflow
Swift
0 vote211 views1 answer
Swift session.input
Swift
0 vote198 views1 answer
UIApplicationWillEnterForeground
Swift
0 vote209 views1 answer
Find range of string swift
Swift
2 votes210 views2 answers
Swift reload tableview
Swift
0 vote206 views1 answer
Swift find difference between two arrays
Swift