Regex Email Validator with Domain specified

Question

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What is the best regular expression for validating email addresses?

I want email validator with specific domains where for example:

[email protected] invalid
[email protected]  valid
[email protected]  valid
[email protected]   invalid
[email protected]   invalid

So If i specify "asdf" in my regex expression then it can also be validated.

I tried, Dim rx As New Regex("^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$") — k-s, Jan 19 '12 at 11:56

Pankaj · Accepted Answer · 2012-01-19T12:20:30.353

0

Try below one

\w+@\w+(\.[a-z]{1,3})+$

Below is the change as requested.

\w+@\w+.(biz|com|au)$

edited Jan 19 '12 at 12:20

answered Jan 19 '12 at 11:57

Pankaj

Ya. You are right. Corrected the answer now. Thank You. – Pankaj Jan 19 '12 at 12:07
But what if I want to allow "asdf" as domain name. – k-s Jan 19 '12 at 12:09
like:: I want to allow only email address which ends with [email protected], [email protected], [email protected] -- but in future If i add another domain at end like "co.in" then it should allow. – k-s Jan 19 '12 at 12:15
Something REGEX like ^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.(?:[A-Z]{2}|com|org|net|edu|gov|mil|biz|info|mobi|name|aero|asia|jobs|museum)$ but it is not working to me.. – k-s Jan 19 '12 at 12:15
Do you want to validate for .com .biz .au only ?? – Pankaj Jan 19 '12 at 12:16
yes for now I want to allow for limited domains. But as per changes in regex I can add more domain in regex to validate in future. – k-s Jan 19 '12 at 12:18

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