PHP Regular matching Unicode encoding regular method _php tutorial

The PHP tutorial matches the Unicode encoding regular method, because the Unicode encoding is special, so the general Chinese or English regular is not the right to get the content we want, let's look at a professional Unicode regular expression bar.

Look at a Unicode encoding diagram.

$words = "0123456789abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrsruvwxyz!@#$%^&* () _+-=[],./{}|<>? '" Hello, we ";
$otherstr =preg_replace ("//[x{0080}-x{00ff}]+/iu", "", $words);
Echo ' Otherstr: ', $otherstr;

http://www.bkjia.com/PHPjc/632303.html www.bkjia.com true http://www.bkjia.com/PHPjc/632303.html techarticle The PHP tutorial matches the Unicode encoding regular method, because the Unicode encoding is special, so the general Chinese or English regular is not correct to get the content we want, the following look ...

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