Swift version: 5.1
Swift strings have a built-in initializer that lets you create strings by repeating a string a certain number of times. To use it, just provide the string to repeat and a count as its two parameters, like this:
let str = String(repeating: "a", count: 5)
That will set
str to “aaaaa”.
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Available from iOS 7.0
This is part of the Swift Knowledge Base, a free, searchable collection of solutions for common iOS questions.