html filtering

Thomas A. Bryan tbryan at python.net
Tue Dec 26 07:46:40 CET 2000


QdlatY wrote:
> 
> Hello!
> 
> Moshe Zadka wrote:
> >
> > On Mon, 25 Dec 2000, QdlatY <qdlaty at wielun.dhs.org> wrote:
> >
> > > Big problem in writeing message boards is filtering html tags. I use
> > > very simple method: Each occurence of "<" sign or ">" sign I replace
> > > with < and >. Is this safe method? Maybe You've got better ideas?
> >
> > Well, it is safe as long as you remember to replace every "&" with
> > "&" *before* you replace < and >.
> 
> Yes! Thanks. I forget about ampersands;)).

Then again, you could use cgi.escape and save yourself the trouble. :)

always-check-your-library-before-you-write-a-book-ly yours
---Tom



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