The System.Net.Mail Had the mail address class which can be used to validate Email Ids
public static bool IsValidEmail(string emailaddress)
MailAddress m = new MailAddress(emailaddress);
The code above can be used to validate Email Ids . If the Email Id is in the wrong format , It throws the Format Exception which in turn can be used as an approach to handle the invalid Email Ids . However The use of regular Expressions is the best approach as It is highly Flexible.
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