commonnormalizer.php

См. документацию.

<?php
namespace Bitrix\Location\Entity\Address\Normalizer;
 
use Bitrix\Main\Text\Encoding;

class CommonNormalizer implements INormalizer
{
    public function normalize(string $string): string
    {
        $result = $string;
 
        $result = preg_replace('/([^\w\s]|_)/iu', ' ', $result);
 
        $result = preg_replace('/\s+/iu', ' ', $result);
        $result = trim($result);
        return mb_strtoupper($result);
    }
}