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<?php // 前半が半角、後半が全角 $str = 'ABC123|ＡＢＣ１２３'; if (preg_match_all('/\d+/', $str, $matches)) { var_dump($matches); } if (preg_match_all('/\d+/u', $str, $matches)) { var_dump($matches); }
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> array(1) { [0]=> string(3) "123" } } array(1) { [0]=> array(2) { [0]=> string(3) "123" [1]=> string(9) "１２３" } }

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