mb_ereg_replace

Supported Versions: PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8

Replace regular expression with multibyte support

        <?php mb_ereg_replace(    string $pattern,    string $replacement,    string $string,    ?string $options = null): string|false|null
    

statamic/cms

<?php     private function preformat($raw_query)

    {

        return trim(mb_ereg_replace("[^\w\d\-\.:+\s&’'‘]", '', $raw_query));

    }