Swift – Convert a String to Uppercase
To convert a String to Uppercase in Swift, use String.uppercased()
function. Call uppercased() function on the String. The function returns a new string with the contents of the original string transformed to uppercase alphabets.
The syntax to convert a String str
to Uppercase is
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str.uppercased()
uppercased()
function returns a new String.
Example
In this example, we will take a string in variable str
and convert this string to uppercase using String.uppercased() function.
main.swift
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import Foundation
var str = "Hello World"
var result = str.uppercased()
print("Original String : \(str)")
print("Uppercase String : \(result)")
Output
Original String : Hello World
Uppercase String : HELLO WORLD
Conclusion
In this Swift Tutorial, we learned how to convert a string to uppercase using String.uppercased() function.