在C#中使用正则表达式

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

namespace Regular_Expression_1
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine(@"This will find a match for the regular expresson '[A-Z]\d'.");
Console.WriteLine("Enter a test string now.");

Regex myRegex = new Regex(@"[A-Z]\d", RegexOptions.IgnoreCase);
string inputString = Console.ReadLine();
Match myMatch = myRegex.Match(inputString);
Console.WriteLine("You entered the string '" + myMatch.ToString() + "'was found in the string you entered.");

Console.ReadLine();
}
}
}