3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2013-10-29T09:42:51Z

<?php
function normalise($string) {
    
    preg_match('~[a-z0-9]+$~i', $string, $match);
    
    if ( ! isset($match[0])) {
        return false;
    }
    
    return strtoupper($match[0]);
}

echo normalise('Deu-12345tx'), PHP_EOL;

Output
Performance
VLD
References
Branches

preg_match: documentation ( source)
strtoupper: documentation ( source)

preferences:dark modelive preview

37.9 ms | 402 KiB | 5 Q