rector/packages/NodeNameResolver/Regex/RegexPatternDetector.php

<?php

declare (strict_types=1);
namespace Rector\NodeNameResolver\Regex;

use RectorPrefix202305\Nette\Utils\Strings;
final class RegexPatternDetector
{
    /**
     * @var string[]
     *
     * This prevents miss matching like "aMethoda"
     */
    private const POSSIBLE_DELIMITERS = ['#', '~', '/'];
    public function isRegexPattern(string $name) : bool
    {
        if (Strings::length($name) <= 2) {
            return \false;
        }
        $firstChar = $name[0];
        $lastChar = $name[\strlen($name) - 1];
        if ($firstChar !== $lastChar) {
            return \false;
        }
        return \in_array($firstChar, self::POSSIBLE_DELIMITERS, \true);
    }
}