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Posted by Jason Barnett on 05/04/05 16:31
pete M wrote:
> not a php expert but have filed this bug report re validating
> is_numeric('3e0');
> http://bugs.php.net/bug.php?id=32943
>
Yeah I read that report... and as it says you're using Euler's notation.
> Now tried
>
> function isnumeric($n) {
> if (ereg("^[0-9]{1,50}.?[0-9]{0,50}$", $n)) {
if (preg_match('/^[0-9]+\.?[0-9]+$/'), $n) {
> return true;
> } else {
> return false;
> }
> }
>
> and that doent seem to work either..
>
> any ideas.. need to validate anything without 0-9 and a dot within
>
> tia
>
> Pete
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