正则表达式的写法:
http://www.xxx.com http://www.xxx.com/index.html 该组正则的写法如下： ^/$ 或者 ^/($|index.html$)
http://www.xxx.com/travel/ http://www.xxx.com/hotel/ http://www.xxx.com/visa/ http://www.xxx.com/east/ 该组正则的写法如下： ^/travel/|^/hotel/|^/visa/|^/east/ ^/(travel|hotel|visa|east)/ ^/(travel/)|(hotel/)|(visa/)|(east/)
http://www.xxx.com/travel/africa/120.html http://www.xxx.com/travel/africa/121.html http://www.xxx.com/travel/africa/122.html http://www.xxx.com/travel/africa/123.html 该组正则的写法如下： ^/travel/africa/[0-9]+.html ^/travel/africa/[0-9]
http://www.xxx.com/travel/shou.html?id=1032 http://www.xxx.com/travel/shou.html?id=102878 http://www.xxx.com/travel/shou.html?id=1025 http://www.xxx.com/travel/shou.html?id=105 该组正则的写法如下： ^/travel/shou.html\?id=[0-9]+
原文：http://www.cnblogs.com/xinlinux/p/4369031.html