using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ConsoleApp1.StringCheck { public static class StringCheck1 { public static void Run() { var strings = File.ReadAllLines("2024-08-27.log"); foreach (var s in strings) { if (s.Contains("completed_session") && !s.Contains("PeriodEnergy")) { Console.WriteLine(s); } } } public static string log = ""; } }