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How to use regular expressions_PHP tutorial

WBOY
WBOYOriginal
2016-07-13 10:53:49980browse

Because Chinese ASCII codes have a certain range. So you can use the following regular expression to represent Chinese.
/^[chr(0xa1)-chr(0xff)]+$/
The following is an example of usage:
$str = "Beyond PHP";
if (preg_match("/^ [".chr(0xa1)."-".chr(0xff)."]+$/", $str)) {
     echo "This is a pure Chinese string";
} else {
echo "This is not a pure Chinese string";
}

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/632389.htmlTechArticleBecause the Chinese ASCII code has a certain range. So you can use the following regular expression to represent Chinese. /^[chr(0xa1)-chr(0xff)]+$/ The following is an example of use: $str = "Super...
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