I am in the process of developing a validation rule for my C# MVC Model using Regex.
[RegularExpression(@"(\w[-._+\w]*\w@\w{1,}.\w{2,3})", ErrorMessage = "* Email Address: Please enter a valid Email Address.")]
public virtual string EmailAddress { get; set; }
This regular expression is effective for everything except single letter domains.
Take a look at this live preview and provide some insight on how to create a regex for this specific scenario.
Based on your scenario, you can use the following code:
[\w+.]+@\w+\.[\w.]+
Valid Matches:
Invalid Entries:
In reality, all that truly matters is the presence of @ and .. Everything else should be secondary. For more insights, check out this article: just send it!
Here is the example you were searching for:
([\w-\.+]+)@((?:[\w]+\.)+)([a-zA-Z]{2,4})
I successfully captured all the matches except for the last two.
Affordable and unrefined without using regex:
attempt
{
new EmailAddress(email);
}
catch (InvalidDataFormatException)
{
// invalid entry
}
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