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Homephp教程php手册正确的PHP匹配UTF-8中文的正则表达式

正确的PHP匹配UTF-8中文的正则表达式

   这篇文章主要介绍了正确的PHP匹配UTF-8中文的正则表达式,本文对比给出了两个不同的正则表达式,需要的朋友可以参考下

  我以前一直用这个

   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

   代码如下:

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

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