[concrete5] [V8] Add password validation rule

app.php

<?php
// application/bootstrap/app.php

/** @var \Concrete\Core\Validator\ValidatorManagerInterface $passwordValidator */
$passwordValidator = Core::make('validator/password');
/** @var \Concrete\Core\Validator\String\RegexValidator $regexValidator */
$regexValidator = Core::make(
    \Concrete\Core\Validator\String\RegexValidator::class,
        ['/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d).+$/']
);
$regexValidator->setRequirementString(
    \Concrete\Core\Validator\String\RegexValidator::E_DOES_NOT_MATCH,
    t('The password must include upper and lower case letters, numbers.')
);
$regexValidator->setErrorString(
    \Concrete\Core\Validator\String\RegexValidator::E_DOES_NOT_MATCH,
    t('The password must include upper and lower case letters, numbers.')
);
$passwordValidator->setValidator('character_types', $regexValidator);