How can I make a textbox only accept a valid email?

2018-07-03 07:35:14

This question already has an answer here:

C# code to validate email address 34 answers

.NET可以为你做到这一点：

        try
        {
            var eMailValidator = new System.Net.Mail.MailAddress("xyz@blabla.com");
        }
        catch (FormatException ex)
        {
            // wrong e-mail address
        }

检查Mailadress课程

    var test = new MailAddress("emailadres");

If you're developing a web app, modern browsers support HTML5, so you can use <input id="txtEmail" type="email" runat="server" /> instead of a TextBox and it will validate the input is an email in the browser (but you should also validate it in your code). Use txtEmail.Value to get the text string.

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