using System;
using System.Text;
using System.Text.RegularExpressions;
public class Tester
{
static void Main()
{
string s1 = "One,Two,Three, Inc.";
Regex theRegex = new Regex(" |, |,");
StringBuilder sBuilder = new StringBuilder();
int id = 1;
foreach (string subString in theRegex.Split(s1))
{
sBuilder.AppendFormat("{0}: {1}\n", id++, subString);
}
Console.WriteLine("{0}", sBuilder);
}
}