正则如何获得21456688754
日期：2014-05-16 浏览次数：20461 次
正则怎么获得21456688754
http://item.taobao.com/item.htm?id=21456688754&ali_refid=a3_420763_1007:1102249745:7:4043f4c103d9bc6af0a150eaaa84293d:809ab74692c8b2532811f1c84fbbe72b&ali_trackid=1_809ab74692c8b2532811f1c84fbbe72b
------解决方案--------------------
var str="http://item.taobao.com/item.htm?id=21456688754&ali_refid=a3_420763_1007:1102249745:7:4043f4c103d9bc6af0a150eaaa84293d:809ab74692c8b2532811f1c84fbbe72b&ali_trackid=1_809ab74692c8b2532811f1c84fbbe72b";
alert(str.match(/id\=(\d+)&/)[1]);
------解决方案--------------------
var str="http://item.taobao.com/item.htm?id=21456688754&ali_refid=a3_420763_1007:1102249745:7:4043f4c103d9bc6af0a150eaaa84293d:809ab74692c8b2532811f1c84fbbe72b&ali_trackid=1_809ab74692c8b2532811f1c84fbbe72b";
alert(str.match(/[^a-zA-Z]id=(\d+)/)[1])
http://item.taobao.com/item.htm?id=21456688754&ali_refid=a3_420763_1007:1102249745:7:4043f4c103d9bc6af0a150eaaa84293d:809ab74692c8b2532811f1c84fbbe72b&ali_trackid=1_809ab74692c8b2532811f1c84fbbe72b
正则
------解决方案--------------------
var str="http://item.taobao.com/item.htm?id=21456688754&ali_refid=a3_420763_1007:1102249745:7:4043f4c103d9bc6af0a150eaaa84293d:809ab74692c8b2532811f1c84fbbe72b&ali_trackid=1_809ab74692c8b2532811f1c84fbbe72b";
alert(str.match(/id\=(\d+)&/)[1]);
------解决方案--------------------
var str="http://item.taobao.com/item.htm?id=21456688754&ali_refid=a3_420763_1007:1102249745:7:4043f4c103d9bc6af0a150eaaa84293d:809ab74692c8b2532811f1c84fbbe72b&ali_trackid=1_809ab74692c8b2532811f1c84fbbe72b";
alert(str.match(/[^a-zA-Z]id=(\d+)/)[1])
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