csharp 正则表达哦式测试软件，可以方便的测试表达式的对错-Oh-style regular expression csharp test software, you can easily test the expression of the rights and wrongs

介绍正则表达式的应用方法，如何在程序设计中应用，实践实例-Describes the application of regular expression methods, how to design applications in the process, practice examples