pcre-7.9是用于正则表达式匹配，它的匹配效率很高，modsecurity就是用它进行正则匹配，而且它也是开源，所以只要你足够牛，就可以将pcre-7.9+modsecurity移植到任何平台下，进行数据匹配检测。-pcre-7.9 is used for regular expression matching, it matches very efficient, modsecurity is to use it for a regular match, but it is also open source, so long as you have enough cows, you can pcre-7.9+ modsecurity transplanted to any platform to conduct data matching test.