> 
> FWIW - I couldn't find much in the way of tutorials on the meanings of the 
> various chars in regexp's. 

this helps alot:

http://www.gskinner.com/RegExr/

you can paste your pattern (needle) in  the top input, and hover over each char 
to see what it means in grep land.
Paste your haystack in the big box (input), under that, to see where all your 
needle will be found. 


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