Case-insensitive search and replace with sed

Question

I\'m trying to use SED to extract text from a log file. I can do a search-and-replace without too much trouble:

sed \'s/foo/bar/\' mylog.txt

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Answer 1

Another work-around for sed on Mac OS X is to install gsedfrom MacPorts or HomeBrew and then create the alias sed='gsed'.