using System;
using System.Diagnostics;
public class Test
{
public static void Main()
{
var source = "asdafdf\n \nasdsda";
var lines = System.Text.RegularExpressions.Regex.Split(source, @"\n\s*\n*");
Debug.Assert(lines.Length == 2);
foreach(var line in lines) {
Console.WriteLine(line);
}
}
}
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