Question

How to detect if there is non-ASCII characters in a string with PHP

Answer 1

$str = "PHP Java C C++ À È Ì Ò";

$result = preg_match('/[^\x20-\x7e]/', $str);

echo mb_detect_encoding($str, 'ASCII', true) ? "all ASCII" : "there is non-ASCII";






/*
run:

there is non-ASCII

*/

 

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