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<?php preg_match_all("/(?J)((?<A>a)!|(?<A>a)=(?<type>[si])) ((?<B>b)!|(?<B>b)=(?<type>[si]))/", "a! b=s a=i b!", $m, PREG_SET_ORDER); print_r($m);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [0] => a! b=s [1] => a! [A] => a [2] => a [3] => [type] => s [4] => [5] => b=s [B] => b [6] => [7] => b [8] => s ) [1] => Array ( [0] => a=i b! [1] => a=i [A] => a [2] => [3] => a [type] => i [4] => i [5] => b! [B] => b [6] => b ) )

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