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<?php $pat = ',(?P[[:alnum:]]+)/(?P[[:alnum:]]+)/(?P.*?),'; $str = 'controller1/action1/fff'; preg_match($pat, $str, $matches); print_r($matches);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_match(): Compilation failed: unrecognized character after (?P at offset 3 in /in/qagQm on line 6

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