input split

CSharp · Console

/Program.cs

using System;
using System.Collections.Generic;
					
public class Program
{
	public static void Main()
	{
		string smallInput = "1,2,3,4,s,6";
	
		var result = ConvertToIntListNoLinq(smallInput);

		Console.WriteLine(string.Join(",", result));
	}
	
	public static List<int> ConvertToIntListNoLinq(string input)
	{
		List<int> output = new List<int>();
		foreach(string s in input.Split(','))
		{
			if(int.TryParse(s, out int result))
			{
				output.Add(result);
			}			
		}
		return output;
	}
}