我的一个利用有限状态机的正则表达式的实现。-I use a finite state machine in the regular expression is achieved.

一款编译原理中的词法分析器，利用有限状态机的机制，能够解析C语言代码的词法结构，将每一个句子变成一个一个单词的形式。-A lexical analyzer in the compiler theory, finite state machine mechanism, able to resolve the lexical structure of C language code, each a one-word sentence into a form.