Correct PHP matching UTF-8 Chinese regular expression, _PHP tutorial

The correct PHP regular expression to match UTF-8 Chinese,

I have been using this before
Copy code The code is as follows:
preg_match('~[x7f-xff] ~is', $string, $tmp);

I just discovered today that the above will also match characters from some European countries
You should use the following one, pay attention to the modifier u
Copy code The code is as follows:
preg_match('~[x{4e00}-x{9fa5}] ~u', $string, $tmp);

http://www.bkjia.com/PHPjc/998806.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/998806.htmlTechArticleThe correct PHP matching UTF-8 Chinese regular expression, I have been using this to copy the code. The code is as follows: preg_match ('~[x7f-xff] ~is', $string, $tmp); I just discovered today that the above one is also...