https://stackoverflow.com/questions/53892910

CSharp · Console

/Program.cs

using System;
using System.IO;
using Newtonsoft.Json;
					
public class Program
{
	public static void Main()
	{
		string json = @"
            {
              ""notes"": [
                {
                  ""__type__"": ""Note"",
                  ""data"": """",
                  ""fields"": [
                    ""Define virologic suppression in HIV"",
                    ""HIV RNA level below limit of assay detection (<20copies/mL"",
                    """",
                    """"
                  ],
                  ""flags"": 0,
                  ""guid"": ""B4VR%D9qb2"",
                  ""note_model_uuid"": ""0aecb5c4-d637-11e7-8e91-408d5c5c9416"",
                  ""tags"": [
                    ""InfectiousDiseases""
                  ]
                },
                {
                  ""__type__"": ""Note"",
                  ""data"": """",
                  ""fields"": [
                    ""Define incomplete virological response in HIV"",
                    ""Inability to achieve virologic suppression after 24 weeks of therapy (viral load >200 on 2 consecutive samples)"",
                    """",
                    """"
                  ],
                  ""flags"": 0,
                  ""guid"": ""N{WL%;*sKr"",
                  ""note_model_uuid"": ""0aecb5c4-d637-11e7-8e91-408d5c5c9416"",
                  ""tags"": [
                    ""InfectiousDiseases""
                  ]
                }
              ]
            }";

		Console.WriteLine(ReformatJson(json));
	}
	
	public static string ReformatJson(string json)
	{
		using (StringReader sr = new StringReader(json))
		using (JsonReader reader = new JsonTextReader(sr))
		using (StringWriter sw = new StringWriter())
		using (JsonWriter writer = new DoubleSpacedValuesJsonWriter(sw))
		{
			writer.WriteToken(reader);
			return sw.ToString();
		}
	}

}

public class DoubleSpacedValuesJsonWriter : JsonTextWriter
{
    public DoubleSpacedValuesJsonWriter(TextWriter textWriter) : base(textWriter)
    {
        Formatting = Formatting.Indented;
    }

    protected override void WriteValueDelimiter()
    {
        base.WriteValueDelimiter();
        base.WriteWhitespace(Environment.NewLine);
    }
}