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<?php $f = preg_split('!_([a-z0-9]+)$!i', 'VLR_META_novo[100_200]', 0); var_dump($f);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> string(22) "VLR_META_novo[100_200]" }

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