Hi! There is already such a program available written in Tcl/Tk and is called Visual Regexp. It looks very impressive to me. It allows search/replace too. Look here: http://laurent.riesterer.free.fr/regexp/ Perhaps this gives you some great ideas to help with your work. Bye, Andreas Hochsteger Konrad Wojas wrote: > > On Mon, Apr 24, 2000 at 04:45:22PM +0200, Geert Jansen wrote: > > * Display (the ascii representation of) the regex while building. This way > > users can learn the regex syntax while playing with this. > > And make it possible to enter the regex directly into the editbox to > please experienced users. > > And it would be very nice if the editbox would support regex syntax > highlighting :) > > Regards, > > -- > K. Wojas .~. > ~ wojas@vvtp.tn.tudelft.nl / V \ > ~ http://vvtp.tn.tudelft.nl/~wojas /( )\ > :wq ^ ^