Embperl comes with the ability to validate form data. Rules can be defined how the
data from forms should be validated. This done by the module Embperl::Form::Validate.
and server side verification by providing a Perl method to validate the data.
Embperl::Form::Validate comes with a lot of standard tests and you can extent it
by providing your own test classes, which can inherit from the shiped test classes.
For further details see perldoc Embperl::Form::Validate.