parse a string into tokens in swift

To parse a string into tokens in Swift, you can use the components(separatedBy:) method. This method returns an array of substrings that are separated by a given delimiter.

Here's an example code snippet that demonstrates how to use this method to parse a string into tokens based on a space delimiter:

main.swift
let str = "Hello world, how are you?"
let tokens = str.components(separatedBy: " ")
print(tokens)
98 chars
4 lines

The output of this code would be an array containing the following strings:

main.swift
["Hello", "world,", "how", "are", "you?"]
42 chars
2 lines

You can use any delimiter you want by simply passing it as an argument to the components(separatedBy:) method. For example, to use a comma as the delimiter, you would use:

main.swift
let str = "apple,banana,orange,grape"
let tokens = str.components(separatedBy: ",")
print(tokens)
98 chars
4 lines

The output of this code would be an array containing the following strings:

main.swift
["apple", "banana", "orange", "grape"]
39 chars
2 lines