Thanks! The piece that I was missing was the not (^) :)
Dean, this expression rereplace(mystring, "[^A-F0-9]", "", "all") filters out
all the unwanted characters. What does "{min},{max}" do?
Mischa.
> actually he would need this:
rereplace(string, "[^a-fA-F0-9]", "", all);
On 8/7/06, Dean H. Saxe < [EMAIL PROTECTED]> wrote:
rereplace(string, "[^A-F0-9]", "", all);
But if you're trying to do data validation, why wouldn't you throw
out any data that doesn't match the regex [A-F0-9]{min,max}?
-dhs
Dean H. Saxe, CISSP, CEH
[EMAIL PROTECTED]
"If liberty means anything at all, it means the right to tell people
what they do not want to hear."
-- George Orwell, 1945
On Aug 7, 2006, at 12:29 PM, Mischa Uppelschoten ext 10 wrote:
> I can figure out how to remove a number of disallowed characters
> from a string, but what if I want to include only a-f and 0-9 and
> discard everything else?
>
> so if a user supplies: E97152C6CF1DD198DE95C7F2C2EF5EA0, do nothing
> if a user supplies E97152C6CF1DD198DE9;hackcode;
>
> it is supposed to return: E97152C6CF1DD198DE9accde
>
> Is that possible with a single regex? Or will I have to cycle
> through the string, and replace every character that doesn't match
> [a-f]|[0-9] with nothing?
>
> Thanks!
> Mischa,
>
>
>
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Mischa Uppelschoten
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