Regex to slice filename contain string and numerical

Posted by justjoe on Stack Overflow See other posts from Stack Overflow or by justjoe
Published on 2010-03-27T09:00:44Z Indexed on 2010/03/27 9:03 UTC
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php

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regex

|

filename

hi, can anybody help me solve this :

i got

$filename= "index 198.php";

i use this and failed

preg_match(" [a-zA-Z0-9]", $filename, $output);

what kind of regex pattern i have to use so the $output array will be consist a strong>number only value.

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