in reply to need help with explaining the output

Ok perlynewby you got good answers, i can just add some practice tools (among others) about regular expressions:

HtH
L*

PS: are you italian?
There are no rules, there are no thumbs..
Reinvent the wheel, then learn The Wheel; may be one day you reinvent one of THE WHEELS.

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Re^2: need help with explaining the output -- regex tools
by perlynewby (Scribe) on Jul 22, 2015 at 23:12 UTC

    Grazie Mille for the pointer to the regex coach...I got to playing with it last night and I think it was a good source to test my expressions