using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

public class Test
{
	public static void Main()
	{
		var where = "ArrivalTime > DateTime.Now.AddMinute(-100) && ArrivalTime < DateTime.Now.AddMinute(100)";
		var pattern = @"DateTime\.Now\.AddMinute\(([^()]*)\)";
		var now = DateTime.Now;
		var res = Regex.Replace(where, pattern, x => 
			{
				var val= x.Groups[1].Value;
				int min;
				if (int.TryParse(val, out min))
				{
					var date = now.AddMinutes(min);
					return $"DateTime({date.Year}, {date.Month}, {date.Day}, {date.Hour}, {date.Minute}, 0)";
	            } else return x.Value;
			});
		Console.WriteLine(res);
	}
}