js中replace的正则替换

temp:

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false;\" class=\"slide-btn slide-pagedown\" style=\"display: none;\"><span class=\"bg\"></span><em class=\"arrow\">&gt;</em></a></li><li ><ins class=\"icon play\"></ins><a href=\"http://v.360.cn/m/fqPnakD8SHX2UB.html?src=hao360zc3\" class=\" noactive \">《风暴》土豪式的疯狂炸翻天</a></li><li ><ins class=\"icon play\"></ins><a href=\"http://v.360.cn/m/gKXnYkLAQXr5Sh.html?src=hao360zc3\" class=\" noactive \">《半熟少女》16款萌妹随你挑</a></li><li ><ins class=\"icon play\"></ins><a href=\"http://v.360.cn/m/gqTlZkPARnH3SR.html?src=hao360zc3\" class=\" noactive \">《神偷奶爸2特辑》全程卖萌</a></li><li ><ins class=\"icon play\"></ins><a href=\"http://v.360.cn/m/gKjjZknAQXf0TB.html?src=hao360zc3\" class=\" noactive \">《深》</a><a href=\"http://v.360.cn/m/fajlZkH8RXL1UB.html?src=hao360zc3\" class=\" noactive \">《铁血娇娃》</a></li>\t</ul>\t\r\n\t<ul class=\"g-list tabview-cont\">\t\r\n\t\t<li class=\"g-pic cover\"><div class=\"slide-content\"><div class=\"slide-item first\"><a href=\"http://v.360.cn/yule/index.html?src=hao360zc4&date=201401262\"><img src=\"http://p8.qhimg.com/t017755193cd9f0a3de.jpg\"><em class=\"txt icon-play\">21岁学生当选日本小姐冠军</em><span class=\"txt-bg\"></span><span class=\"mask\"></span></a></div><div class=\"slide-item\"><a href=\"http://v.360.cn/yule/index.html?src=hao360zc4&date=201401263\"><img src=\"http://p9.qhimg.com/t01d71367c6e2fc9e0e.jpg\"><em class=\"txt icon-play\">Makiyo接《夜蒲》博翻身</em><span class=\"txt-bg\"></span><span class=\"mask\"></span></a></div><div class=\"slide-item\"><a href=\"http://v.360.cn/yule/index.html?src=hao360zc4&date=201401261\"><img src=\"http://p8.qhimg.com/t017508ca1f697413dd.jpg\"><em class=\"txt icon-play\">冯氏春晚 看点槽点任您选</em><span class=\"txt-bg\"></span><span class=\"mask\"></span></a></div><div class=\"slide-item\"><a href=\"http://v.360.cn/yule/index.html?src=hao360zc4\"><img src=\"http://p9.qhimg.com/t01893d52e0b76c89b6.jpg\"><em class=\"txt icon-play\">新鲜热辣的明星资讯与爆料</em><span 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需求:将数据中的\"  \t  \r  \n 都替换掉.

var r1 = /\\t/g;
var r2 = /\\r/g;
var r3 = /\\n/g;
var r4 = /\\"/g;
temp = temp.replace(r1, "").replace(r2, "").replace(r3, "").replace(r4, "\"");
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