find the last character in a string in swift

To find the last character in a string in Swift, you can use the subscript with the endIndex property of the string. Here's an example:

main.swift
let myString = "Hello, World!"
let lastCharacter = myString[myString.index(before: myString.endIndex)]
print(lastCharacter) // Output: !
137 chars
4 lines

In this example, we first create a string called myString. Then, we use the index(before:) method along with the endIndex property to get the index of the last character in the string. Finally, we use that index to get the last character of the string using the subscript. The output is !, which is the last character in the string.

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