<?php $pattern = '/\b(?: \d{6}[xX*]{2,9}\d{4} # BIN + masked + last4 | (?:\d{4}|[xX*]{4})(?:[ .-]?(?:\d{4}|[xX*]{4})){2,3} # blocs de 4 )\b/x'; $data = '497040726'; preg_match($pattern, $data, $matches); var_dump($matches);
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Value for `_results` contains invalid data `array`