REXTENSION":"manjiusong:1;creditPay:1;vertical3C:0;verticalGame:0;sevendaysRefundment:1;matchScore:4.9;serviceScore:4.9;speedScore:4.9;realDescribe:1;genuineGuarantee:0;cod:0","ISHK":"0","ISGLOBAL":"0","SUBTITLE":"null"},{"CUSTOMERID":"","DESC":"null","URL":"http:\/\/item.taobao.com\/item.htm?id=14534344793","REDKEY":"","TITLE":"\u6fb3\u6d32\u5976\u519c \u900f\u660e\u7269\u6d41 \u5eb7\u5b9d\u745e2\u6bb5 8\u6708\u7279\u60e0\u4e2d","REDKEYS":[],"RESOURCEID":"14534344793","GOODSPRICE":"21500","LOCATION":"\u56db\u5ddd \u6210\u90fd","TBGOODSLINK":"http:\/\/img01.taobaocdn.com\/bao\/uploaded\/i1\/1
解决方案：
String txt=Regex.Unescape(json);