我有一个字符串，我需要从
中提取日期const double epsilon = 0.00001;我只需要在quotecreatedate之后的下一个日期“2018-04-18”
我尝试了以下内容，但它似乎无法正常工作
"01T00:00:00+02:00","quoteCreateDate":"2018-04-
18T14:53:19+02:00","user":"Test_User","quoteNumber":"a9a3e413-4f40-4e00-a9ea-
e5590a73968e","schemeCode":"7005227","totalPremium":66,"totalWaiverDeathDisabil
ityPremium":6,"totalWaiverRetirementPremium":10,"roleplayers":
[{"type":"natural","roleP"
由于