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<?php $text = "Wheat Flour (2%) [Wheat Flour, Wheat Gluten, Calcium Carbonate, Iron, Niacin (B3), Thiamin (B1), Ascorbic Acid], Water, Yeast, Salt, Vegetable Oils (Palm, Rapeseed, oils (sunflower, rapeseed)), Soya Flour"; if (preg_match_all('~[^][(),\s][^][(),]*(?:\s*(?:(\[(?:[^][]++|(?1))*])|(\((?:[^()]++|(?2))*\))))*~', $text, $matches)) { print_r($matches[0]); }
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Wheat Flour (2%) [Wheat Flour, Wheat Gluten, Calcium Carbonate, Iron, Niacin (B3), Thiamin (B1), Ascorbic Acid] [1] => Water [2] => Yeast [3] => Salt [4] => Vegetable Oils (Palm, Rapeseed, oils (sunflower, rapeseed)) [5] => Soya Flour )

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