RegExpValidator.php

См. документацию.

<?php
 
declare(strict_types=1);
 
namespace Bitrix\Main\Validation\Validator;
 
use Bitrix\Main\Localization\LocalizableMessage;
use Bitrix\Main\Validation\ValidationError;
use Bitrix\Main\Validation\ValidationResult;
 
class RegExpValidator implements ValidatorInterface
{
    public function __construct(
        private readonly string $pattern,
        private readonly int $flags = 0,
        private readonly int $offset = 0
    )
    {
    }
 
    public function validate(mixed $value): ValidationResult
    {
        $result = new ValidationResult();
        if (!is_string($value))
        {
            $result->addError(new ValidationError(
                new LocalizableMessage('MAIN_VALIDATION_REG_EXP_INVALID_TYPE'),
                failedValidator: $this
            ));
 
            return $result;
        }
 
        if (!preg_match($this->pattern, $value, flags: $this->flags, offset: $this->offset))
        {
            $result->addError(new ValidationError(
                new LocalizableMessage('MAIN_VALIDATION_REG_EXP_INVALID'),
                failedValidator: $this
            ));
        }
 
        return $result;
    }
}