C# regular expression to validate email

程序员文章站 2022-10-13 15:34:37

using System; using System.Text.RegularExpressions; namespace ConsoleApp375 { class Program { static void Main(string[] args) { RegularExpressionDemo(... ......

using system;
using system.text.regularexpressions;

namespace consoleapp375
{
    class program
    {
        static void main(string[] args)
        {
            regularexpressiondemo();
            console.readline();
        }

        static void regularexpressiondemo()
        {
            string emailpattern = @"^[\w!#$%&'*+\-/=?\^_`{|}~]+(\.[\w!#$%&'*+\-/=?\^_`{|}~]+)*@((([\-\w]+\.)+[a-za-z]{2,4})|(([0-9]{1,3}\.){3}[0-9]{1,3}))\z";
            regex regex = new regex(emailpattern);
            string mymail = "aaa@163.com";
            var match = regex.match(mymail);
            console.writeline(match.success);
        }
    }
}

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