EMAIL ADDRESS VALIDATION IN C# MVC 4 APPLICATION: WITH OR WITHOUT USING REGEX

john rob

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Posted by  john rob
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I have an MVC 4 web application and I need to enter and validate some email addresses, without sending an email to the user's email address.

 

Currently I am using basic regex email validation with this pattern:

 

[RegularExpression(@"\A(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?)\Z",

        ErrorMessage = "Please enter correct email address")]

Although this is validating email addresses, it passes 1@1.1 as a valid email address. For the moment I have a validation that requires symbols @ symbols . symbols where the symbols can be numeric/alphabetic and ._- .

 

I need more standard email validation for my MVC 4 application. How do I do that?

  1. Kamlakar Singh

    Post:194

    Points:1396
    Re: Email address validation in C# MVC 4 application: with or without using Regex

    You need a regular expression for this. Look here. If you are using .net Framework4.5 then you can also use this. As it is built in .net Framework 4.5. Example

     

    [EmailAddress(ErrorMessage = "Invalid Email Address")]

    public string Email { get; set; }

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