Remove All Whitespace in Swift

Published on 03 May 2026 (Updated: 03 May 2026)

Welcome to the Remove All Whitespace in Swift page! Here, you'll find the source code for this program as well as a description of how the program works.

Current Solution

import Foundation

let usage = "Usage: please provide a string"

guard
    let input = CommandLine.arguments.dropFirst().first,
    !input.isEmpty
else {
    print(usage)
    exit(1)
}

print(input.filter { !$0.isWhitespace })

Remove All Whitespace in Swift was written by:

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How to Implement the Solution

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How to Run the Solution

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