正则表达式 判断是不是合法的JSON字符串
String regex = "^(?:\".*?\")|(?:true|false|null)|(?:[+-]?(\\d+(?:\\.?\\d*)?|\\d*(?:\\.\\d*))(?:[eE][+-]?\\d+)?)|(?:(?:\\s*\\[\\s*(?:(?:"
+ "(?:\".*?\")|(?:true|false|null)|(?:[+-]?(\\d+(?:\\.?\\d*)?|\\d*(?:\\.\\d*))(?:[eE][+-]?\\d+)?)|(?(?:\\[.*?\\])|(?:\\{.*?\\})))\\s*,\\s*)*(?:"
+ "(?:\".*?\")|(?:true|false|null)|(?:[+-]?(\\d+(?:\\.?\\d*)?|\\d*(?:\\.\\d*))(?:[eE][+-]?\\d+)?)|(?(?:\\[.*?\\])|(?:\\{.*?\\})))\\s*\\]\\s*)"
+ "|(?:\\s*\\{\\s*"
+ "(?:\".*?\"\\s*:\\s*(?:(?:\".*?\")|(?:true|false|null)|(?:[+-]?(\\d+(?:\\.?\\d*)?|\\d*(?:\\.\\d*))(?:[eE][+-]?\\d+)?)|(?(?:\\[.*?\\])|(?:\\{.*?\\})))\\s*,\\s*)*"
+ "(?:\".*?\"\\s*:\\s*(?:(?:\".*?\")|(?:true|false|null)|(?:[+-]?(\\d+(?:\\.?\\d*)?|\\d*(?:\\.\\d*))(?:[eE][+-]?\\d+)?)|(?(?:\\[.*?\\])|(?:\\{.*?\\}))))\\s*\\}\\s*))$";
Original: https://www.cnblogs.com/sxdcgaq8080/p/16524453.html
Author: Angel挤一挤
Title: 【正则】判断是不是合法的JSON字符串
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