Question

如何使用正则表达式去掉被双引号包裹的数字两边的双引号

从某云导出数据库表为CSV格式，发现bigint字段两边也被加上了双引号，不应该啊不应该，如何去掉呢？
示例记录：
"31189","aaaa","$P$BFMnptFob/7bmU2o***PNqorSMKzLs0","aaaa","aaa@qq.com","","2015-02-27 02:18:54","","0","oo","0000-00-00"
"31191","bbbb","$P$BeRmQEYPfnOfKrKpF***9osOe3v0aq/","bbb","bbb@qq.com","","2015-02-27 04:23:52","","0","bbb","0000-00-00"

Answer 1

String str = "dfdf";
String reg = "\"([^\"]*)\"";
str = str.replaceAll(reg, "$1");

Answer 2

jsonStr.replaceAll("\"(\\d+)\"", "$1");