实现计算一个字符串中单词个数

using System;
using System.Linq;

namespace ConsoleApplication1
{
    class Program
    {
        /// <summary>
        /// 实现计算一个字符串中单词个数
        /// </summary>
        /// <param name="args"></param>
        static void Main(string[] args)
        {
            string word = "My name is Tom.";
            int count = (word.Split(new char[] {' ','.',',','?'}, StringSplitOptions.RemoveEmptyEntries)).Count();
            Console.WriteLine(count);
        }
    }
}