How to convert a string to lowercase letters
Swift version: 5.0
You can convert any string to lowercase – that is, going from "HELLO" to "hello" – by calling its lowercased() method, like this:
let str = "Sunday, Monday, Happy Days"
print(str.lowercased())That will output "sunday, monday, happy days" to the Xcode console.
LEARN SWIFTUI FOR FREE I wrote a massive, free SwiftUI tutorial collection, and also have a growing list of free SwiftUI tutorials on YouTube – get started today!
Available from iOS 2.0
Did this solution work for you? Please pass it on!
Other people are reading…
- How to save a string to a file on disk with write(to:)
- How to parse a sentence using NSLinguisticTagger
- How to specify floating-point precision in a string
- How to calculate the ROT13 of a string
- How to load a string from a website URL
About the Swift Knowledge Base
This is part of the Swift Knowledge Base, a free, searchable collection of solutions for common iOS questions.
