/**
* Splits a multi-line string into a list of individual lines.
* Automatically handles cross-platform line endings (Unix LF and Windows CRLF)
* and strips trailing newline characters.
*
* @param text The input string to split (nullable for safety).
* @return A List<String> containing each individual line.
*/
fun splitByNewline(text: String?): List<String> {
// Guard clause: return an empty list if the input is null or empty
if (text.isNullOrEmpty()) {
return emptyList()
}
// lines() natively handles both \n and \r\n, returning List<String>
return text.lines()
}
fun main() {
// Sample text containing mixed line endings (Unix LF, Windows CRLF, and an empty line)
val multilineText = "Hello world!\nThis is line two.\r\n\nFinal line here."
// Call the splitting function
val resultLines = splitByNewline(multilineText)
// Print out the parsed lines with their indices
resultLines.forEachIndexed { index, line ->
println("Line ${index + 1}: '$line'")
}
}
/*
run:
Line 1: 'Hello world!'
Line 2: 'This is line two.'
Line 3: ''
Line 4: 'Final line here.'
*/
