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<?php $str = "50+16-0*387/2+49"; $digits = []; $symbols = []; preg_match_all("/(\d+)|(\D+)/", $str, $matches, PREG_SET_ORDER); foreach ($matches as $match) { if ($match[1] !== '') { $digits[] = $match[1]; } else { $symbols[] = $match[2]; } } var_export($digits); echo "\n---\n"; var_export($symbols);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => '50', 1 => '16', 2 => '0', 3 => '387', 4 => '2', 5 => '49', ) --- array ( 0 => '+', 1 => '-', 2 => '*', 3 => '/', 4 => '+', )

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