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<?php var_dump(preg_match("/(?P<foo>\\d{0,99})/si", 'foo bar 42 lol', $m), $m);
Output for git.master, git.master_jit, rfc.property-hooks
int(1) array(3) { [0]=> string(0) "" ["foo"]=> string(0) "" [1]=> string(0) "" }

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