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<?php
 
$v = 'gdfgdfg';
preg_match_all('/[а-яё]/isu', $v, $res);
//print_r($res);
 
preg_match('/[a-z]$/ismu', $v, $u);
print_r($u);

Success #stdin #stdout 0s 52488KB

stdin

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Standard input is empty

stdout

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Array
(
    [0] => g
)

https://ideone.com/RqrIJ5

language:

PHP (php 7.3.5)

created:

visibility:

public

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