<?php $string = "00 a 51 - a9"; $numbers = ""; $chars = ""; preg_match("/(\d*)(\D*)/", $string, $matches); print_r($matches); foreach($matches[1] as $match) { $numbers .= is_int($match) ? $match : ''; } foreach($matches[2] as $match) { $chars .= !is_int($match) ? $match : ''; } var_dump($numbers); echo " "; var_dump($chars);
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