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php 字符中是否有中文

2018-03-17 15:00:23| 分类： php | 标签： |举报 |字号大中小订阅

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<?php

$str = '是晴天';

if (preg_match('/^[\x{4e00}-\x{9fa5}]+$/u', $str)>0) {

echo '全中文';

} else if(preg_match('/[\x{4e00}-\x{9fa5}]/u', $str)>0) {

echo '含中文';

} else {

echo '没中文';

}

?>

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