python用正则怎么过滤相对路径

python用正则如何过滤相对路径
/internet/style/style.css
/internet/style/menu.css
#
#
/company-en/
http://xcmg.com
/company/
/company/about/
/company/news/gongsixinwen.jsp
/company/news/gongsixinwen.jsp
/company/news/zhuantibaodao.jsp
/company/news/meitishidian.jsp
/company/news/shigonganli.jsp
/company/product/
/company/service/
/company/service/jibenqingkuang.htm
/company/contact/
#
/company/
/company/product/zhuangzaiji.htm
/company/product/zhuangzaiji.htm
/company/product/tuituji.htm
/company/product/tuituji.htm
/company/product/lunshiqzj.htm
/company/product/lunshiqzj.htm
/company/product/ldsqzj.htm
/company/product/ldsqzj.htm
/company/product/hntb.htm
/company/product/hntb.htm
/company/product/gplxfc.htm
/company/product/gplxfc.htm
/company/product/yaluji.htm
/company/product/yaluji.htm
/company/product/tanpuji.htm
/company/product/tanpuji.htm
/company/product/lq.htm
/company/product/lq.htm
/company/product/pingdiji.htm
/company/product/pingdiji.htm
/company/product/xpj.htm
/company/product/xpj.htm
/company/product/wdfbhj.htm
/company/product/wdfbhj.htm
/company/product/wdfcbsb.htm
/company/product/wdfcbsb.htm
/company/product/scqzj.htm
/company/product/scqzj.htm
/company/product/qiaoliangjcc.htm
/company/product/qiaoliangjcc.htm
/company/product/qcfkzyc.htm
/company/product/qcfkzyc.htm
/company/product/lajiche.htm
/company/product/lajiche.htm
/company/product/wjzzj.htm
/company/product/wjzzj.htm
/company/product/xxlszzj.htm
/company/product/xxlszzj.htm
tieluzhuangbei.htm
tieluzhuangbei.htm
/company/product/gkzypt.htm
/company/product/gkzypt.htm
/zh-cn/product/yonghuganyan.jsp
/zh-cn/product/yonghuganyan.jsp
javaScript:if(Validator.Validate(document.getElementById('theform'),1)){theform.
submit()}
javascript:clearForm(document.getElementById('theform'))
http://10.1.1.2
http://www.xcmg.com/mail/
/company/contact/index.htm
http://xcmg.cneln.net/
http://www.xcmg.com/
http://www.linezing.com

就是我想把这些URL的所有相对路径过滤出来
/company/product/gkzypt.htm就是这种形式的都过滤出来

然后绝对路径过滤出来。

其他的一些东西都不要。但是想了好久都没写出来，等高人出来帮帮忙

[解决办法]
用最简单的if...else...解决问题吧。

Python code

if url.startsiwth('/'):    ... elif url.startswith('http://'):    ...
[解决办法]
探讨

怎么改呢？