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

public class Test
{
	public static void Main()
	{


Random rand = new Random();
Func<string> getRandString = // generates 128 random characters.
    () => Enumerable.Range(0, 128).Select(x => (char) rand.Next()).Aggregate("", (a, b) => a + b);
Func<int> getRandInteger = () => rand.Next(); // generates random number.
string format = "{0}({1}|{2})";

// Generate the big string.
StringBuilder bigstr = new StringBuilder();
for (int i = 0; i < 10; i++) // repeat 10 times.
{
    bigstr.Append(string.Format(format, getRandString(), getRandInteger(), getRandInteger()));
}
string input = bigstr.ToString();

Regex testRegex = new Regex(@"\(([-|+]?\d+\|[-|+]?\d+?)\)");
Stopwatch stopwatch = Stopwatch.StartNew();
var matches = testRegex.Matches(input);
var matchesCount = matches.Count;
stopwatch.Stop();
Console.WriteLine("Time Elapsed :\t{0}\nInputLength :\t{1}\nMatches Count :\t{2}", stopwatch.Elapsed, input.Length, matchesCount);


	}
}