Validator::make( array('key' => 'Foo'), array('key' => 'required|in:Foo') ); Validator::extend('foo', function($attribute, $value, $params){}); Validator::extend('foo', 'FooValidator@validate'); Validator::resolver(function($translator, $data, $rules, $msgs) { return new FooValidator($translator, $data, $rules, $msgs); }); Rules accepted active_url after:YYYY-MM-DD before:YYYY-MM-DD alpha alpha_dash alpha_num between:1,10 confirmed date date_format:YYYY-MM-DD different:fieldname email exists:table,column image in:foo,bar,baz not_in:foo,bar,baz integer numeric ip max:value min:value mimes:jpeg,png regex:[0-9] required required_if:field,value required_with:foo,bar,baz required_without:foo,bar,baz same:field size:value unique:table,column,except,idColumn url