Question

C#中使用正则表达式需要进行几步操作

Answer 1

using System;
using System.Text.RegularExpressions;

public void Test()
{
        string input = @"ab1c";

        string pattern = @"\d";
        RegexOptions options = RegexOptions.None;
        Regex regex = new Regex(pattern, options);
        MatchCollection matches = regex.Matches(input);

        foreach (Match match in matches)
        {
                Console.WriteLine(match.Value);
        }
}