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主题:[求助]从一大堆字符串中,获取某个特征的字符串

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[求助]从一大堆字符串中,获取某个特征的字符串  发帖心情 Post By:2017/9/3 23:18:00 [只看该作者]

字符如下:
https://shop.m.taobao.com/shop/coupon.htm?seller_id=1094195928&activity_id=37e83bfadb27411da38f2f016103e6e8</a></br>下单链接:<a  target="_blank" href="https://detail.tmall.com/item.htm?id=534618276467">https://detail.tmall.com/item.htm?id=534618276467</a></br>超舒适柔软面料,透气贴身亲肤,双屿100%棉档,弹力出众,24小时可穿睿,不褪色不起球~<img src="http://imgproxy.dataoke.com/imgextra/i3/2027589505/*t*b2*jhg8ck.*h*l1*jj*s*z*fu*x*x*x8d*x*xa_!!2027589505.jpg"></br>37度恒温保暖内衣女超薄套装</br>券后?30元?包邮秒板</br>5元优惠券:<a  target="_blank" href="https://shop.m.taobao.com/shop/coupon.htm?seller_id=2027589505&activity_id=49b40a5988254836943516c874853bc4">https://shop.m.taobao.com/shop/coupon.htm?seller_id=2027589505&activity_id=49b40a5988254836943516c874853bc4</a></br>下单链接:<a  target="_blank" href="https://item.taobao.com/item.htm?id=557193364284">https://item.taobao.com/item.htm?id=557193364284</a></br>37度发热内衣,新升级发热纤维,保暖持久拒绝臃肿,薄如蝉翼,做濧感女人_<img src="http://imgproxy.dataoke.com/bao/uploaded/i3/*t*b1*y1*g*u*op*x*x*x*xaj*x*x*x*x*x*x*x*x*x*x*x*x_!!0-item_pic.jpg"></br>浪莎纯棉防臭四季中筒男士袜子7叿</br>券后?39.8元?包邮秒板</br>10元优惠券:<a  target="_blank" href="https://shop.m.taobao.com/shop/coupon.htm?seller_id=272715291&activity_id=f3b426606e4440369795a9e66ab3283c">https://shop.m.taobao.com/shop/coupon.htm?seller_id=272715291&activity_id=f3b426606e4440369795a9e66ab3283c</a></br>下单链接:<a  target="_blank" href="https://detail.tmall.com/item.htm?id=529738345266">https://detail.tmall.com/item.htm?id=529738345266</a></br>官方正品,纯棉品质,商务休闲,舒适亲肤,防臭吸汗,你霿要一双真正的好袜子?<img src="http://imgproxy.dataoke.com/imgextra/i4/849038814/*t*b210*s*vc*fc*j*l1*jj*s*z*f*o*x*xc*wl*x*xa_!!849038814.jpg"></br>【南极人】加绒加厚保暖衣套装</br>券后?39.9元?包邮秒板</br>10元优惠券:<a  target="_blank" href="https://shop.m.taobao.com/shop/coupon.htm?seller_id=2106525799&activity_id=e864a01a6ec14c79a54d5f3e87af9caa">https://shop.m.taobao.com/shop/coupon.htm?seller_id=2106525799&activity_id=e864a01a6ec14c79a54d5f3e87af9caa</a></br>下单链接:<a  target="_blank" href="https://detail.tmall.com/item.htm?id=521136254098">https://detail.tmall.com/item.htm?id=521136254098</a></br>黄金甿2件套套装,一体超厚,双层加厚黄金甲套装,柔软保暖,健康亲肤,限量秒杀~<img src="http://imgproxy.dataoke.com/imgextra/i2/2089289571/*t*b2v*w4*z*xrs*t*me*jjy1zb*x*xchl*v*xa_!!2089289571.jpg"></br>俞兆枿 秋衣秋裤套装男女保暖内衣套装</br>券后?29.8元?包邮秒板</br>10元优惠券:<a  target="_blank" href="https://shop.m.taobao.com/shop/coupon.htm?seller_id=2089289571&activity_id=dbe207532d2c47e2bd03c76b3ea01089">

有许多类似id=557193364284的字符串,我需要将他们提取出来。请问如何做?

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  发帖心情 Post By:2017/9/4 8:46:00 [只看该作者]

Dim str As String = "href=""https://detail.tmall.com/item.htm?id=534618276467"">dddddddhref=""https://detail.tmall.com/item.htm?id=534618276467"">"
msgbox(str)
Dim reg As new System.Text.RegularExpressions.Regex("(?<=\?id=)[0-9]+(?="")")
Dim mc As object = reg.Matches(str)
For i As Integer = 0 To mc.count-1
    msgbox(mc(i).value)
Next

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