## 資源 * [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 * [知道這20個正則表達式，能讓你少寫1,000行代碼](http://www.jianshu.com/p/e7bb97218946) - [正則表達式學習筆記](http://gold.xitu.io/post/582dfcfda22b9d006b726d11) - [正則表達式入門教程&&經典Javascript正則表達式](http://www.cnblogs.com/duanhuajian/p/3157119.html) - [js實現完美身份證號有效性驗證](http://www.cnblogs.com/lzrabbit/archive/2011/10/23/2221643.html) - [正則表達式理論篇](https://aotu.io/notes/2016/11/17/regexp-theory/) - [正則表達式實踐篇](https://aotu.io/notes/2016/12/07/regexp-practice/) - [深入理解正則表達式環視的概念與用法](http://www.zjmainstay.cn/regexp-lookaround) - [深入理解正則表達式高級教程](http://www.zjmainstay.cn/deep-regexp)