js中replace的正则替换

temp:

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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, "\"");