C#.Net后台验证email格式是否正确的方法

using System;


namespace TaoistWar.DesignPattem
{
	class Caculator
	{
		static void Main(string[] args)
		{
			Console.Write(IsEmail("ate.coam"));
			Console.Write(IsEmail("[e-mail]"));
		}
		
		public static bool IsEmail(string str_Email)
    {
        return System.Text.RegularExpressions.Regex.IsMatch(str_Email, @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$");
    }
	}
}