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@ 2014-03-23T00:03:07Z

<?php

$string = "100-200";

if(1 === preg_match('~[0-9]~', $string)){
    echo $string;
}

Output
Performance
VLD
References
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preg_match: documentation ( source)

preferences:dark modelive preview

44.05 ms | 402 KiB | 5 Q