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

public class Test
{
	public static void Main()
	{
		var inLine = "Project(\"{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}\") = \"Common\", \"Libraries\\Common\\Common.csproj\", \"{91197577-34B9-4D46-B3FE-A8589D4380B1}\"";
		var regex = new Regex(@"(Project\(""{[\w-]*}""\) = "")(?<projectName>[^\s""]*)("", "")(?<relativePath>[^\s""]*)("", ""{[\w-]*}"")");
		var projectName = string.Empty;
		var relativePath = string.Empty;
		var replaced = regex.Replace(inLine, m => {
			projectName = m.Groups["ProjectName"].Value;
			relativePath = m.Groups["relativePath"].Value;
			return $"{m.Groups[1].Value}{m.Groups[2].Value}{m.Groups[3].Value}";
		});
		Console.WriteLine("Project Name: {0}\nRelative Path: {1}\nReplaced: {2}", projectName, relativePath, replaced);
	}
}