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<?php $val1 = "42 Day"; $val2 = "3 week;stuff"; $opts = ['regexp' => "/^[0-9]+ (month|day|hour)$/i"]; $f1 = filter_var($val1, FILTER_VALIDATE_REGEXP, ['options' => $opts]); $f2 = filter_var($val2, FILTER_VALIDATE_REGEXP, ['options' => $opts]); var_dump($f1); var_dump($f2);
Output for git.master, git.master_jit, rfc.property-hooks
string(6) "42 Day" bool(false)

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