Php checks whether the string is full of Chinese characters or contains Chinese characters.

Php checks whether the string is full of Chinese characters or contains Chinese characters.

$ Str = "'2014 Is "; If (! Eregi ("[^ \ x80-\ xff]", "$ str ")){ Echo "all Chinese "; } Else { Echo "not "; } 2. identify Chinese characters $ Str = "Chinese "; If (preg_match ("/[\ x7f-\ xff]/", $ str )){ Echo "contains Chinese "; } Else { Echo "no Chinese "; } Or $ Pattern = '/[^ \ x00-\ x80]/'; If (preg_match ($ pattern, $ str )){ Echo "contains Chinese "; } Else { Echo "no Chinese "; } Note: The above code is tested under UTF-8 and has not been tested under other codes.