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<?php preg_match( '/(\d) de (enero|febrero|marzo|abril|mayo|junio|julio|agosto|septiembre|octubre|noviembre|diciembre) de \d{4}/', 'hola hoy es 4 de enero de 1988', $matches); echo $matches[1]; // 1234
Output for git.master, git.master_jit, rfc.property-hooks
4

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