正确的PHP匹配UTF-8中文的正则表达式_php实例

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Release: 2016-05-16 20:15:27
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我以前一直用这个

复制代码 代码如下:

preg_match('~[\x7f-\xff]+~is', $string, $tmp);

今天才发现,上面这个也会匹配到一些欧洲国家的字符
应该用下面这个,注意修正符 u
复制代码 代码如下:

preg_match('~[\x{4e00}-\x{9fa5}]+~u', $string, $tmp);
source:php.cn
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