Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.


Ozaveshe Balogun
Ozaveshe Balogun
Full Stack JavaScript Techdegree Student 15,883 Points

^[^@]+@[^@.]+\.[a-z]+$ accepts special characters such as !, {, +, etc. Why not use ^\w+@\w+\.[a-z]+$ instead ?

Hi guys, I noticed that ^[^@]+@[^@.]+.[a-z]+$ accepts special characters such as !, { etc, before the @ symbol while testing. Does it mean that some email addresses can contains contains special characters before the @ symbol ?

1 Answer

Steven Parker
Steven Parker
216,810 Points

The "local-part" of an email address is allowed to contain nearly any printable character. For more details, see this Wikipedia page.