Not strictly REST, but I had to say something:
http://letmehaveblog.blogspot.com/2007/08/easy-client-side-web-forms-va
lidations.html
The jQuery.YAV plugin accepts my usual personal email address, unlike
about 90% of the form-validators out there. Huzzah!
Yes, validating email is black magic. No, being too restrictive is not
better than being too permissive (at least if you want *me* to buy from
your online store). Yes, a "+" is legal in the localpart of an address.
No, I will not get a Yahoo email address just to buy from you.
