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<?php $text = "11 a b 13 begin t 899 y 50 f end 91 h"; var_export(preg_match_all('~(?:begin|\G(?!^))(?:.(?!end))*?\K\d+~', $text, $out) ? $out : 'no matches');
Output for git.master_jit, git.master, rfc.property-hooks
'no matches'

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