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:

';
var_dump( preg_match("/[\S\b]{2,32}/",'中国') );

is not possible

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

';
var_dump( preg_match("/[\S\b]{2,32}/u",'中国') );
echo '
';
var_dump( preg_match("/[\S\b]{2,32}/u",'Дракон') );
echo '
';
var_dump( preg_match("/[\S\b]{2,32}/u",'cc') );

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