## 资源 * [Regexlib](http://www.regexlib.com/) Regular Expression Library provides a searchable database of regular expressions. Users can add, edit, rate, and test regular expressions ## 文章 * [知道这20个正则表达式，能让你少写1,000行代码](http://www.jianshu.com/p/e7bb97218946) - [正则表达式学习笔记](http://gold.xitu.io/post/582dfcfda22b9d006b726d11) - [正则表达式入门教程&&经典Javascript正则表达式](http://www.cnblogs.com/duanhuajian/p/3157119.html) - [js实现完美身份证号有效性验证](http://www.cnblogs.com/lzrabbit/archive/2011/10/23/2221643.html) - [正则表达式理论篇](https://aotu.io/notes/2016/11/17/regexp-theory/) - [正则表达式实践篇](https://aotu.io/notes/2016/12/07/regexp-practice/) - [深入理解正则表达式环视的概念与用法](http://www.zjmainstay.cn/regexp-lookaround) - [深入理解正则表达式高级教程](http://www.zjmainstay.cn/deep-regexp)