Pattern: /[\u4e00-\u9fa5]+/ <br><br />
<b>Warning</b>:  preg_match_all(): Compilation failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 2 in <b>/var/www/html/demo/regexp/chinese_match.php</b> on line <b>26</b><br />
array(3) {
  ["stauts"]=>
  bool(true)
  ["msg"]=>
  string(7) "Success"
  ["matches"]=>
  NULL
}
<br>Pattern: /[\x{4e00}-\x{9fa5}]+/u <br>array(3) {
  ["stauts"]=>
  bool(true)
  ["msg"]=>
  string(7) "Success"
  ["matches"]=>
  array(1) {
    [0]=>
    array(1) {
      [0]=>
      string(12) "中文汉字"
    }
  }
}
<br>Pattern: /[\x7f-\xff]+/ <br>array(3) {
  ["stauts"]=>
  bool(true)
  ["msg"]=>
  string(7) "Success"
  ["matches"]=>
  array(1) {
    [0]=>
    array(1) {
      [0]=>
      string(12) "中文汉字"
    }
  }
}
<br>