using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
namespace RegExCs
{
    class Program
    {
        static void Main(string[] args)
        {
            string rawData;
            Regex filter = new Regex(@"(?<ip>([0-9]+\.){3}[0-9])"+@"(?<time>(\s[0-2][0-9]:[0-9][0-9]))");
            rawData=File.ReadAllText("Query list");
            MatchCollection theMatches = filter.Matches(rawData);
            foreach (Match theMatch in theMatches)
            {
                Console.WriteLine("ip: {0}\n",theMatch.Groups["ip"]);
                Console.WriteLine("time: {0}\n", theMatch.Groups["time"]);
            }
            Console.ReadKey();
        }
    }
}
“查询列表”文件:
来自 212.77.100.101 www.wp.pl 的回复时间:21:37 111.41.130.55 www.cnn.com 回复时间:05:33 230.77.100.101 www.piting.com 回复时间:04:12 65.77.100.101 www.ha.org 回复时间:12:55 来自 200.77.100.101 www.example.com 的回复时间:07:56
该程序编译并运行,但空的控制台窗口一直打开。为什么?