Java Pattern和Matcher字符匹配详解

http://tool.oschina.net/uploads/apidocs/jquery/regexp.html

https://blog.csdn.net/rentian1/article/details/81080760

https://blog.csdn.net/zengxiantao1994/article/details/77803960

https://www.cnblogs.com/gdwkong/articles/7782331.html

https://www.jb51.net/article/73342.htm