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php method to remove Chinese characters: first create a PHP sample file; then use the regular expression "preg_replace('/([\x80-\xff]*)/i','',$a); "Just replace the Chinese characters with empty characters.
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PHP removes Chinese characters from strings
As the title says, to delete the Chinese characters in a string, just replace the Chinese characters with empty characters using regular rules:
<?php
header('Content-type:text/html;charset=utf-8');
function p($arr){
echo "<pre class="brush:php;toolbar:false">";
print_r($arr);
echo "";
}
$a = "河蟹）（社会afeowa#$%^!@@#zf吃饭fawgwea汉堡包agho_iawghowi我日）";
$result = preg_replace('/([\x80-\xff]*)/i','',$a);
p($result);
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