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@ 2016-03-30T15:11:53Z

<?php

$string = 'небезнадёжен 😂🤓:https://vk.c';

$string = preg_replace('/[\x{1F600}-\x{1F64F}\x{1F300}-\x{1F5FF}\x{1F680}-\x{1F6FF}\x{2600}-\x{26FF}\x{2700}-\x{27BF}]+/u', '', $string);

var_dump($string);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_replace: documentation ( source)

preferences:dark modelive preview

56.9 ms | 402 KiB | 5 Q