Regex Email - Ignore leading and trailing spaces?

Question

We are using the following to do an email validation in ASP.NET:

\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*

How can this be modified to ignore leading and trailing spaces?

The actual trimming we handle in code on postback but the validator is triggering as being invalid if the user has an extra space often due to copying and paste.

Answer 1

just do the trim before you pass it to the validator

Answer 2

Group what you want into a named capture and then allow spaces before and after the capture

\s*(?<email>\w+([-+.']\w+)@\w+([-.]\w+).\w+([-.]\w+)*)\s*

Answer 3

You can place \s* before and after your pattern and it should work properly.