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Is there an rgrep and lgrep version of incremental search?

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2 Answers 2

I don't know what lgrep is, but I've used these notes for Emacs search (and replace) through the file system:

http://xahlee.org/emacs/find_replace_inter.html

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Do you mean and incremental regex search? If so M-x isearch-forward-regexp will do it.

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