True, there is no day without calling grep. Often just simple strings, but a least a couple of times a month also with true regexps. When I still was forced to

True, there is no day without calling grep. Often just simple strings, but a least a couple of times a month also with true regexps. When I still was forced to use Windows in the first decade of 2000 and we had a huge codebase in the company I used an indexing tool called Wilbur http://www.redtree.com/wilbur/index.htm http://www.redtree.com/wilbur/index.htm That was incredibly fast. But of course it did not support regexps.