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  • Wow this is even better. I was using 'extends(/s)+SomethingSomething' which seemed to work as far as I could tell. Is there any difference with this syntax with the one specified in the Extended RegEx version? Commented Jul 6, 2012 at 12:06
  • @Hyangelo \s is a GNU grep extension, which I think is synonymous with [[:space:]]. Commented Jul 6, 2012 at 17:40