import Foundation
/**
* Splits a multi-line string into an array of individual lines.
* Automatically handles cross-platform line endings (Unix LF, Windows CRLF, etc.).
*
* - Parameter text: The input multi-line string to be split.
* - Returns: An array of Strings containing each individual line.
*/
func splitByNewline(text: String) -> [String] {
// Guard clause: Return an empty array if the string is empty
guard !text.isEmpty else { return [] }
// .newlines handles \n, \r\n, and other unicode line separators seamlessly
return text.components(separatedBy: .newlines)
}
// --- Example Usage ---
func main() {
// Sample text containing mixed line endings (Unix LF, Windows CRLF, and an empty line)
let multilineText = "Hello Swift!\nThis is line two.\r\n\nFinal line here."
// Call the splitting function
let resultLines = splitByNewline(text: multilineText)
// Print out the parsed lines with their indices
for (index, line) in resultLines.enumerated() {
print("Line \(index + 1): '\(line)'")
}
}
main()
/*
run:
Line 1: 'Hello Swift!'
Line 2: 'This is line two.'
Line 3: ''
Line 4: ''
Line 5: 'Final line here.'
*/
