求一正则表达式?

[blueseaer]

beijing/?city=%u5317%u4EAC&priceType=1&checkin=2008-12-4&checkout=2008-12-05&key=%u5317%u4EAC

能求得
1: beijing
2:%u5317%u4EAC
3:1
4:2008-12-4
5:2008-12-05
6:%u5317%u4EAC
另外需要注意:
beijing/?city=&priceType=&checkin=&checkout=&key=

的求法, 2 3 4 5 6 都 有可能为空的情况...

[wenchao412]

((/?beijing)|(/?%u5317%u4EAC)|(/?1)|(/?2008-12-4)|(/?2008-12-05))*
楼主试试

[Fibona]

"(?<url>\\S+)(/\\?)(?>city=)(?<city>([^&]*))(&?)(?>checkin=)(?<checkin>([^&]*))(&?)(?>priceType=)(?<pricetype>([^&]*))";

[mengxj85]

有点难度，顶