PHP using regular validation Chinese, _php tutorial

PHP uses regular validation of Chinese,

PHP uses Preg_match to match and determine whether a string contains Chinese or Chinese in the following way:

$str = ' php Learning blog '; if (Preg_match ('/[\x7f-\xff]/', $str)) {echo ' string has Chinese
';} else{echo ' string is not in Chinese
';} if (Preg_match ('/^[\x7f-\xff]+$/', $str)) {echo ' string is all Chinese ';} else{echo ' string is not all Chinese ';}

The result of the above program output is:

The string has Chinese
The string is not all Chinese

Both the Utf-8 and GBK codes are tested and can be used.

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