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C#基础 Directory GetFiles 应用正则找到特殊扩展名的文件


  • .NET Framework : 4.7.2
  •        IDE : Visual Studio Community 2019
  •         OS : Windows 10 x64
  •     typesetting : Markdown


dir

C#基础 Directory GetFiles 应用正则找到特殊扩展名的文件_c#

code

using System;
using System.IO;

namespace ConsoleApp
{

    class Program
    {
        static void Main(string[] args)
        {
            string dirPath = @"D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools";

            string[] path = Directory.GetFiles(dirPath);
            foreach (var item in path)
            {
                Console.WriteLine(item);
            }

            Console.WriteLine("---");

            path = Directory.GetFiles(dirPath, "*.dll");
            foreach (var item in path)
            {
                Console.WriteLine(item);
            }

            Console.ReadKey();
        }
    }
}

result

D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-convert-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-filesystem-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-heap-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-locale-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-math-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-multibyte-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-runtime-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-stdio-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-string-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-time-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-utility-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\errlook.exe
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\errlook.hlp
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\guidgen.exe
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\LaunchDevCmd.bat
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\makehm.exe
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140chs.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140cht.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140deu.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140enu.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140esn.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140fra.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140ita.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140jpn.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140kor.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140rus.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140u.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\ucrtbase.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\vcconvertengine.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\VCProjectConversion.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\vcruntime140.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\VsDevCmd.bat
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\VsMSBuildCmd.bat
---
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-convert-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-filesystem-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-heap-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-locale-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-math-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-multibyte-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-runtime-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-stdio-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-string-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-time-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-utility-l1-1-0.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140chs.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140cht.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140deu.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140enu.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140esn.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140fra.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140ita.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140jpn.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140kor.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140rus.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140u.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\ucrtbase.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\vcconvertengine.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\VCProjectConversion.dll
D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\vcruntime140.dll

resource

  • [文档] docs.microsoft.com/zh-cn/dotnet/csharp
  • [规范] github.com/dotnet/docs/tree/master/docs/standard/design-guidelines
  • [源码] referencesource.microsoft.com
  • [ IDE ] visualstudio.microsoft.com/zh-hans
  • [.NET Core] dotnet.github.io

感恩曾经帮助过 心少朴 的人。
C#优秀,值得学习。.NET Core具有跨平台的能力,值得关注。
Console,WinForm,WPF,ASP.NET,Azure WebJob,WCF,Unity3d,UWP可以适当地了解。
注:此文是自学笔记所生,质量中下等,故要三思而后行。新手到此,不可照搬,应先研究其理象数,待能变通之时,自然跳出深坑。

C#基础 Directory GetFiles 应用正则找到特殊扩展名的文件_c#_02


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