using System.Text.RegularExpressions;

using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        string listname = "##OctoPoker_5P_90bb_CO_SB_BB##";

        string[] chunks = listname.Split("_");

        var players = chunks.Where(p => Regex.IsMatch(p, @"\dP")).FirstOrDefault();

        var bigBlinds = chunks.Where(p => Regex.IsMatch(p, @"\d+bb")).FirstOrDefault();

        System.Diagnostics.Debug.WriteLine($"Holo");

        System.Diagnostics.Debug.WriteLine($"Players: {players}");

        System.Diagnostics.Debug.WriteLine(bigBlinds);

    }

}