Detailed explanation of php preg_match matching examples of languages ​​in different countries

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php preg_match matching examples of languages ​​​​in different countries

Regular: [\S]{2,32}

Filtering works

In PHP:

<?php
var_dump( preg_match("/[\S\b]{2,32}/",&#39;ج&#39;) );
echo &#39;<hr />&#39;;
var_dump( preg_match("/[\S\b]{2,32}/",&#39;中国&#39;) );

is not possible

You need to add a parameter u and read the code according to uniode

<?php
var_dump( preg_match("/[\S\b]{2,32}/u",&#39;ج&#39;) );
echo &#39;<hr />&#39;;
var_dump( preg_match("/[\S\b]{2,32}/u",&#39;中国&#39;) );
echo &#39;<hr />&#39;;
var_dump( preg_match("/[\S\b]{2,32}/u",&#39;Дракон&#39;) );
echo &#39;<hr />&#39;;
var_dump( preg_match("/[\S\b]{2,32}/u",&#39;cc&#39;) );

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