NAME

       Mojolicious::Validator - Validate parameter

SYNOPSIS

         use Mojolicious::Validator;

         my $validator  = Mojolicious::Validator->new;
         my $validation = $validator->validation;
         $validation->input({foo => 'bar'});
         $validation->required('foo')->like(qr/ar$/);
         say $validation->param('foo');

DESCRIPTION

       Mojolicious::Validator validates parameters for Mojolicious.

CHECKS

       These validation checks are available by default.

   equal_to
         $validation->equal_to('foo');

       Value needs to be equal to the value of another field.

   in
         $validation->in(qw(foo bar baz));

       Value needs to match one of the values in the list.

   like
         $validation->like(qr/^[A-Z]/);

       Value needs to match the regular expression.

   size
         $validation->size(2, 5);

       Value length in characters needs to be between these two values.

ATTRIBUTES

       Mojolicious::Validator implements the following attributes.

   checks
         my $checks = $validator->checks;
         $validator = $validator->checks({size => sub {...}});

       Registered validation checks, by default only "equal_to", "in", "like" and "size" are
       already defined.

METHODS

       Mojolicious::Validator inherits all methods from Mojo::Base and implements the following
       new ones.

   add_check
         $validator = $validator->add_check(size => sub {...});

       Register a new validation check.

   validation
         my $validation = $validator->validation;

       Build Mojolicious::Validator::Validation object to perform validations.

         my $validation = $validator->validation;
         $validation->input({foo => 'bar'});
         $validation->required('foo')->size(1, 5);
         say $validation->param('foo');

SEE ALSO

       Mojolicious, Mojolicious::Guides, <http://mojolicio.us>.