How to attain 1 double quote only on Json format string in VB.Net [closed]

Solution 1:

var json = @"{""head"":{""clientID"":""100088optimumremit"",""reqTime"":""2022-01-20T15:06:58+08:00"",""reqMsgID"":""GcashValidate85"",""clientSecret"":""100088optimumremit""},""body"":{""merchantID"":""100088"",""codeString"":""123456"",""codeType"":""REFERENCE_CODE""}}";
var cleanJson = json.Replace("\"\"", "\"");
Console.WriteLine(cleanJson);