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Regular expression: Difference between revisions
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→尋找 ASCII 字元 in MySQL
| Line 484: | Line 484: | ||
<pre> | <pre> | ||
if (preg_match('/[^\x20-\x7f]/', $keyword) === 0) { | if (preg_match('/[^\x20-\x7f]/', $keyword) === 0) { | ||
echo "The keyword is ASCII only"; | |||
} else { | |||
echo "The keyword contains non-ASCII characters (like Chinese, Japanese, etc.)"; | |||
} | } | ||
</pre> | </pre> | ||