您可以使用这个（用java风格编写，用于 replaceAll（） method）：

You can use this (written in java style, to use with replaceAll() method):

search: (?<!\\\\)(\"(?>[^\\\"]++|\\\\{2}|\\\\.)*+\"),(\\s*+})
replace: $1$2

示例：

String pattern = "(?<!\\\\)(\"(?>[^\\\"]++|\\\\{2}|\\\\.)*+\"),(\\s*+})";
String result = yourJson.replaceAll(pattern, "$1$2");