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@ 2013-05-16T05:03:11Z

<?php
	var_dump(
        preg_match(
            '/^[А-Яа-я0-9]+$/',
            'Днепропетровск'
        )
    );

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_match: documentation ( source)

preferences:dark modelive preview

48.39 ms | 402 KiB | 5 Q