We’ve used lots of strings so far, and it turns out they are structs – they have their own methods and properties we can use to query and manipulate the string.
First, let’s create a test string:
let string = "Do or do not, there is no try."
You can read the number of characters in a string using its
They have a
hasPrefix() method that returns true if the string starts with specific letters:
You can uppercase a string by calling its
And you can even have Swift sort the letters of the string into an array:
Strings have lots more properties and methods – try typing
string. to bring up Xcode’s code completion options.
SPONSORED Play is the first native iOS design tool created for designers and engineers. You can install Play for iOS and iPad today and sign up to check out the Beta of our macOS app with SwiftUI code export. We're also hiring engineers!
Link copied to your pasteboard.