Incremental Search in a Text Widget
Here is some recently liberated code that can count and hi-light string matches in a text widget as each character is typed. Probably not suitable for more than a couple of megabytes of text unless tuned or customized.
The code a single source file in namespace "incrsearch" http://tclbuzz.com/imgmisc/incrsearch.zip
Please post good or bad news right here - RT