using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Diagnostics;

using System.IO;

using System.Reflection;

using System.ComponentModel;

using System.Data;

using System.Xml.Serialization;

using System.Runtime.Serialization;

using System.Text.RegularExpressions;

using System.Globalization;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;

    public class Program

    {

        public static void Main()

        {

            var json1 = @"{ ""Key1"" : {""key2"":""value""},  ""key3"" : ""other values"" }";

​

            TestJson(json1, "Key1.key2");

            var json2 = @"{ ""Key1"" : [{""NoKey2"":""value""}, {""key2"":""value""}],  ""key3"" : ""other values"" }";

            TestJson(json2, "Key1[*].key2");

        }

        static void TestJson(string json, string query)

        {

            Console.WriteLine("Testing JSON: ");

            Console.WriteLine(json);

            Console.WriteLine("Testing query: ");

            Console.WriteLine(query);

            var globalEventStream = new [] 

            { 

                new { EventArgs = new { Data = json } }, 

                new { EventArgs = new { Data = @"{""key5"": ""some other random json that should not appear in the query"" }" } } 

            };

​

            var valueQuery = globalEventStream

                .Select(e => JObject.Parse(e.EventArgs.Data))

                .Where(o => o.SelectTokens(query).Any());

​

            Console.WriteLine("Results of running the query: ");            

            Console.WriteLine(JsonConvert.SerializeObject(valueQuery, Formatting.Indented));

        }

    }