Replacing text in a string using replacingOccurrences(of:)
It's easy to replace text inside a string thanks to the method replacingOccurrences(of:). This is a string method, and you tell it what to look for and what to replace it with, and you're done.
For example:
let str = "Swift 3.0 is the best version of Swift to learn, so if you're starting fresh you should definitely learn Swift 3.0."
let replaced = str.replacingOccurrences(of: "3.0", with: "4.0")That will make replaced equal to "Swift 4.0 is the best version of Swift to learn, so if you're starting fresh you should definitely learn Swift 4.0.”
Available from iOS 2.0
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