RegExWoo

regex.cs

using System;
using System.Text.RegularExpressions;

namespace RegExWoo
{
    class Program
    {
        static void Main(string[] args)
        {
            var text = "701 N.Y.S.2d 766, 123 N.Y.S.2d 256 (N.Y.City Civ.Ct. 1999), McEntee v Cappucci";
            var pattern = new Regex(@"\(.*?\)|(\d+) (\S+) (\d+\w)", RegexOptions.Compiled | RegexOptions.Multiline);

            foreach (Match match in pattern.Matches(text))
            {
                if (match.Groups.Count == 4)
                {
                    var combined = match.Groups[1].Value.Trim() +
                                   match.Groups[2].Value.Trim() +
                                   match.Groups[3].Value.Trim();

                    if (combined.Length > 0)
                    {
                        Console.WriteLine(string.Join(" ", match.Groups[1].Value, match.Groups[2].Value, match.Groups[3].Value));
                    }
                }
            }
        }
    }
}