一个方便实用的正则表达式类库，纯C编写，只需要把头文件包含到你的工程里即可，方便集成，支持多种操作系统及编译器。附常用正则表达式-A convenient and practical regular expression library, the preparation of pure C, only need to head to the file that contains your project where you can to facilitate the integration, s

在c平台下，采用regex库，使用正则表达式查找文本中匹配字符-use regex to find match string under regex lib