正则表达式相关知识，参考MSDN文档：http://msdn.microsoft.com/zh-cn/library/az24scfc.aspx 和 http://msdn.microsoft.com/zh-cn/library/63ew9az0.aspx
class Program
{
static void Main(string[] args)
{
Regex reg = new Regex(@"^(?<fpath>([a-zA-Z]:\\)([\s\.\-\w]+\\)*)(?<fname>[\w]+.[\w]+)");
Match result = reg.Match(@"D:\Program Files\AliWangWang\7.10.07C\emotions\TaoDoll\Sniffer.dat");
if (result.Success)
{
Console.WriteLine("[Full]:" + result.Value);
Console.WriteLine("[Part1]:" + result.Result("${fpath}"));
Console.WriteLine("[Part2]:" + result.Result("${fname}"));
}
Console.ReadLine();
}
}
简单整理如下，方便以后调用(支持多后缀名)：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;
using System.Reflection;
using System.Text.RegularExpressions;
namespace ConsoleApplication1
{
class Program
{
/// <summary>
/// 路径分类
/// </summary>
public enum RouteType
{
/// <summary>
/// 仅文件名
/// </summary>
NameOnly = 0,
/// <summary>
/// 文件名（包括后缀）
/// </summary>
FileName = 1,
/// <summary>
/// 仅后缀名（包括.）
/// </summary>
FileSuffix = 2,
/// <summary>
/// 除文件名之外的路径
/// </summary>
PathExceptName = 3,
/// <summary>
/// 除后缀之外的路径
/// </summary>
PathExceptSuffix = 4
}
/// <summary>
/// 程序入口函数
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
string strPath = @"D:\Program Files\Advanced PDF Password Recovery\Sniffer.dat.doc.bak.zip";
Console.WriteLine(GetPartRoute(strPath, RouteType.NameOnly));
Console.WriteLine(GetPartRoute(strPath, RouteType.FileName));
Console.WriteLine(GetPartRoute(strPath, RouteType.FileSuffix));
Console.WriteLine(GetPartRoute(strPath, RouteType.PathExceptName));
Console.WriteLine(GetPartRoute(strPath, RouteType.PathExceptSuffix));
Console.ReadLine();
}
/// <summary>
/// 正则获取文件路径
/// </summary>
/// <param name="strRoute">完整文件名</param>
/// <param name="rType">要获取路径类型</param>
/// <returns></returns>
public static string GetPartRoute(string strRoute, RouteType rType)
{
string strResult = string.Empty;
Regex regex = new Regex(@"^(?<fpath>([a-zA-Z]:\\)([\s\.\-\w]+\\)*)(?<fname>[\w]+)(?<namext>(\.[\w]+)*)(?<suffix>\.[\w]+)");
Match result = regex.Match(strRoute);
if (result.Success)
{
switch (rType)
{
case RouteType.NameOnly:
strResult = result.Result("${fname}") + result.Result("${namext}");break;
case RouteType.FileName:
strResult = result.Result("${fname}") + result.Result("${namext}") + result.Result("${suffix}"); break;
case RouteType.FileSuffix:
strResult = result.Result("${suffix}"); break;
case RouteType.PathExceptName:
strResult = result.Result("${fpath}"); break;
case RouteType.PathExceptSuffix:
strResult = result.Result("${fpath}") + result.Result("${fname}") + result.Result("${namext}"); break;
default:
strResult = strRoute; break;
}
}
return strResult;
}
}
}
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