Looking for help with Regular Expression

[Roger Miller]

Seem to be a lot of regular expression questions lately. There is a
neat little RE demonstrator buried down in
Python24/Tools/Scripts/redemo.py, which makes it easy to experiment
with regular expressions and immediately see the effect of changes. It
would be helpful if it were mentioned in the RE documentation, although
I can understand why one might not want a language reference to deal
with informally-supported tools.