实现⼀个⽂件搜索⼯具,按⽂件名、⽂件内容或⽂件类型进⾏搜索
using System;using System.IO;using System.Linq;using System.Text.RegularExpressions;class FileSearchTool{static void Main{Console.
using System;using System.IO;using System.Linq;using System.Text.RegularExpressions;class FileSearchTool{static void Main{Console.