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Posted by BAO RuiXian on 10/21/06 11:12
emre@vt.com.tr wrote:
>I m trying to check $GP[sifre] variable, $GP[sifre] must consist of alpha
>numeric chars only. here, how I check the variable:
>
>
>
Try this:
if(eregi("^[a-zA-Z0-9]+$",$GP[sifre]))
The above say that between the beginning of the string "^" and the end
of the string "$", there are only alpha-numeric characters but at least
one. Note, your following code has syntax error.
Best
Bao
>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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