>
> Thank you! I did not know about the ucwords() functions, and it
> does not need the string set to lower case.
>
> Now to create a filter that returns only numbers (e.g. "a1234z"
> -> "1234") and the same for non-numbers.
>
[Peter Lauri - DWS Asia]
This to replace all non-digit characters with ""
$string = preg_replace("/\D/", "", $string);
And this to replace all non-character characters with ""
$string = preg_replace("/\W/", "", $string);
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