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<?php $arr = ['[text* your-name]','[email* your-email]','[text your-subject]','[textarea your-message]','[submit "Verzenden"]','[your-subject]','[your-name]','[your-email]','[your-message]']; foreach ($arr as $s) { if (preg_match_all('~(?<=\[)[^]\s]+(?=])~', $s, $matches)) { print_r($matches[0]); } }
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => your-subject ) Array ( [0] => your-name ) Array ( [0] => your-email ) Array ( [0] => your-message )

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