<tdclass=catewidth="45%">

<aclass=Mhref="http://jmfengcai.cn.alibaba.com/athena/companydetail/jmfengcai.html"onMouseDown="returnaliclick(this,'?alishop=companylistcompanyname');"target="_blank"class=M>江门市蓬江区凤彩工艺厂</a>

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代码如上.我请问如何用正则表达式,把"http://jmfengcai.cn.alibaba.com/athena/companydetail/jmfengcai.html"提取出来?

复制代码 代码如下:

/(http://[^"']+)/gm

/href*=*['"]*(S+)["']**/gm

根据不同需要选择。