Posted by M. Sokolewicz on 10/09/90 11:12

you'd be better off with something like
if(preg_match('#^[a-z0-9]+$#i', $GP['sifre'])) {
echo 'contains only alphanumeric chars';
} else {
echo 'contains characters which are not alphanumeric';
}

- tul

andreja@beogradnet.com wrote:
> I really dont know :)
>
>
>
> <emre@vt.com.tr> wrote in message
> news:009501c53861$2a92e3e0$bf6aaec3@hermoine...
>
>>I m trying to check $GP[sifre] variable, $GP[sifre] must consist of alpha
>>numeric chars only. here, how I check the variable:
>>
>>if((eregi("[^a-zA-Z0-9]",$GP[sifre])
>> echo 'true';
>>else
>> echo 'false';
>>
>>It works if variable starts with alphabetic chars only.
>>for example this returns 'ok'
>> $GP[sifre]='blabla234243';
>>but this does not work: (if variable starts with numeric chars)
>> $GP[sifre]='3243242blabla';
>>
>>second one returns false, couldnt figure out the problem here. any help ?

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