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@ 2013-04-25T15:51:33Z

<?php
$string= "Hi #geeting #shortAnswer #notUseful";

preg_match_all('/#(\w+)/',$string, $matches);

echo "The matches:\n";

foreach ($matches[1] as $tag) {
    echo $tag."\n";
}

var_dump($matches);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_match_all: documentation ( source)

preferences:dark modelive preview

59.83 ms | 402 KiB | 5 Q