//結果はNYAN123 var text = "123456789"; var result = text.replace(/^(.*)456(.*)$/,'NYAN$1'); //結果はNYAN123CHU789 var result = text.replace(/^(.*)456(.*)$/,'NYAN$1CHU$2');
//結果はabc <?php preg_match('/abc/',"abcdefghijklmnop", $matches); echo $matches[0]; ?> //結果はあるよ <?php if (preg_match("/php/i", "PHP is the web scripting language of choice.")) { echo "あるよ"; } else { echo "ないよ"; } ?> //結果はWANTARO <?php $str = 'NYANTARO'; $result = preg_replace('/NYAN/','WAN', $str); echo $result; ?>