regex replace

CSharp · Console

/Program.cs

using System;
using System.Text;
using System.Text.RegularExpressions;
					
public class Program
{
	public static void Main()
	{
		var input = " ab c\r\n de.\nf";
		var result = Regex.Replace(input, @"\s+", "");
		Console.WriteLine(result);
	}
}