reCAPTCHA Mailhide Input Filter

reCAPTCHA Mailhide allows you to only display emails to users who have validated via a reCAPTCHA form. For a demonstation of how it works, click here.

As an input filter, it would replace any typed in emails with the hidden emails, requiring users to validate their existance before being able to see the actual email. This input filter would become an added part of the reCAPTCHA module.