LINQ结合正则表达式查询文件系统

it2026-02-23  9

string startFolder = @"D:\Program Files (x86)\Microsoft Visual Studio 12.0\"; IEnumerable<FileInfo> fileList = GetFiles(startFolder); Regex searchTerm = new Regex(@"Visual (Basic|C#|Studio)"); var queryMatchingFiles = from file in fileList where file.Extension == ".htm" let fileText = File.ReadAllText(file.FullName) let matches = searchTerm.Matches(fileText) where matches.Count > 0 select new { name = file.FullName, mat = from Match match in matches select match.Value }; foreach (var item in queryMatchingFiles) { Console.WriteLine(item.name); foreach (var item1 in item.mat) { Console.WriteLine(item1); } } Console.WriteLine(); Console.WriteLine("Press Any Key to Exit..."); Console.ReadKey();

 

转载于:https://www.cnblogs.com/zhengwk/p/5302446.html

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