Home > Regex > Regex Validator for Email

Regex Validator for Email

Original article here:

public bool TestEmailRegex(string emailAddress)
//                string patternLenient = @"w+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*";
//                Regex reLenient = new Regex(patternLenient);
    string patternStrict = @"^(([^<>()[]\.,;:s@""]+"
                        + @"(.[^<>()[]\.,;:s@""]+)*)|("".+""))@"
                        + @"(([[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}"
                        + @".[0-9]{1,3}])|(([a-zA-Z-0-9]+.)+"
                        + @"[a-zA-Z]{2,}))$";

    Regex reStrict = new Regex(patternStrict);
//                      bool isLenientMatch = reLenient.IsMatch(emailAddress);
//                      return isLenientMatch;
    bool isStrictMatch = reStrict.IsMatch(emailAddress);
    return isStrictMatch;

Categories: Regex
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