Replacing tabs in emacs

Recently I have been faced with the desire to reformat some files I adopted for a contract.

Replace all tabs in an emacs buffer is easy. run query-replace-regexp, then hit <TAB> (not ‘’) as the match, and __, i.e. two (or 4 or 8 or whatever your standard is) spaces. Finally ‘!’ replaces all matches in the buffer.



Here’s a more interesting list of regexp-replace goodness. Instead of replacing with strings you can run some elisp for every match!

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