[Tutor] Clarified: Best way to alter sections of a string which match dictionary keys?

[SSokolow]

Thanks. (more like 'my eternal gratitude')

 It's much faster and I would have never thought of it. I'm still 
thinking mostly in intermediate Perl and that means I never considered 
the possibility that the replacement expression could be anything more 
than a plain vanilla string.

Stephan Sokolow