[Novalug] a regex puzzle
novalugml at jgcomp.com
Mon Mar 19 12:08:37 EDT 2012
The recent discussions of pattern matching and regular
expressions brought to mind a favorite puzzle.
Sed can be used to modify strings with its substitute
command, eg s/existing stuff/new stuff/g. The "g" at
the end allows sed to change all occurances rather than
just the first.
$ echo Novalug | sed 's/lug/LUG'
The "existing stuff" part can be a regular expression.
What would be the output of:
echo NovaLUG | sed 's/X*/,/g'
Jon H. LaBadie novalugml at jgcomp.com
11226 South Shore Rd (703) 787-0688 (H)
Reston, VA 20190 (609) 477-8330 (C)
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