[Fork] duvida com string, extrair dados

CSharp · Console

/Program.cs

using System;
using System.Linq;
					
public class Program
{
	public static void Main()
	{
		string stringJson = "[{\"tipo\":\"simnao\",\"pergunta\":\"rwerw#erwerewr ?\",\"tag\":\"#acimadopeso\",\"resposta\":\"\",\"$$hashkey\":\"object:410\"},{\"pergunta\":\"werwerwerwer ?\",\"tag\":\"#diabetes\",\"resposta\":\"\",\"$$hashkey\":\"object:412\"},{\"pergunta\":\"werwerwer ?\",\"tag\":\"#idoso\",\"resposta\":\"\",\"$$hashkey\":\"object:414\"}]";
		
		//Separa a string por aspas 
		string[] arrayString = stringJson.Split('\"');
		
		//Procura as strings que contenha "#"
		var listString = arrayString.Where(x => x.Contains("#")).ToList();
		
		//Mostra o resultado
		listString.ForEach(i => Console.Write("{0}\n", i));
	}
}