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run code in 300+ PHP versions simultaneously
<?php $pattern = "/\/(\w{2})\/?((\w{2})\/?)?\/?((\w+)\/?)?/"; $sample = '/de/de'; echo (int)preg_match( $pattern, $sample, $matches).PHP_EOL; print_r($matches);

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39.91 ms | 402 KiB | 5 Q