Re^3: Substituting a comma only when it is preceded and followed by a bracket

[ww]

YAPE::Regex::Explain

Familiarity with the resources found in docs on the internet (and, in many cases, on your own machine) can help you achieve your stated goal, "...not have to resort to Perl Monks (too often)....".

So, right at your desk, perldoc -f function_name and perldoc modulename are invaluable. But, first, it'll also be worth your time to explore perldoc perldoc, (for help on how to use perldoc) and perldoc perltoc second... for the kinds of documentation available.