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→尋找 ASCII 字元 in MySQL
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* [https://stackoverflow.com/questions/401771/how-can-i-find-non-ascii-characters-in-mysql How can I find non-ASCII characters in MySQL? - Stack Overflow] | * [https://stackoverflow.com/questions/401771/how-can-i-find-non-ascii-characters-in-mysql How can I find non-ASCII characters in MySQL? - Stack Overflow] | ||
==== 尋找 ASCII 字元 in | ==== 尋找 ASCII 字元 in PHP ==== | ||
Code I: | Code I: | ||
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這個範圍 {{kbd | key=<nowiki>(\x20-\x7f)</nowiki>}} 基本上涵蓋了所有可印刷的 ASCII 字符；不符合條件，則表示字串中包含非 ASCII 字符 (如中文、日文等) | 這個範圍 {{kbd | key=<nowiki>(\x20-\x7f)</nowiki>}} 基本上涵蓋了所有可印刷的 ASCII 字符；不符合條件，則表示字串中包含非 ASCII 字符 (如中文、日文等) | ||
Code II | Code II<ref>[https://www.php.net/manual/en/regexp.reference.character-classes.php PHP: Character classes - Manual]</ref> | ||
<pre> | <pre> | ||
$pattern = '/^[[:ascii:]]+$/i'; | $pattern = '/^[[:ascii:]]+$/i'; | ||