Convert an array of UInt8 into a String in Swift [duplicate]

Question

I have an array of UInt8 characters that I want to be combined into one cohesive String. I know String has the .utf8 property, and running a for loop over those characters was how I made the UInt8 array, but now I need the reverse of this.

For example, the UInt8 array:

[83, 87, 73, 70, 84]

and the desired end result:

"SWIFT"

Leo Dabus · Accepted Answer · 2022-09-17 21:48:53Z

3

You can simply use String bytes initializer:

init?<S>(
    bytes: S,
    encoding: String.Encoding
) where S : Sequence, S.Element == UInt8

Initializer
init(bytes:encoding:)

Creates a new string equivalent to the given bytes interpreted in >the specified encoding.

String(bytes: [83, 87, 73, 70, 84], encoding: .utf8) // "SWIFT"

edited Sep 17, 2022 at 21:48

answered Sep 17, 2022 at 21:43

Leo Dabus

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