Emacs Search & Replace

gistfile1.txt

Emacs Buffer Search
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Incremental Search Forward - (default C-s; C-f for me)
Incremental Search Backward - (default C-r; C-f C-r for me)

Regexp Incremental Search Forward (default C-M-s)
Regexp Incremental Search Backward (default C-M-s)

Occur (default M-s o):
Search lines in a buffer matching a pattern and output in another buffer.
Results are clickable.

Emacs Buffer Replace
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Query Replace (default M-%, C-r for me)
Query Regexp Replace (default M-C-%; C-S-r for me)
- Space or 'y' to replace match
- 'n' to skip to next
- ',' to replace but not move point
- '!' to say yes to all
- '^' to move back to previous match
- 'E' to edit replacement string

Emacs Replace Across Files:
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http://stackoverflow.com/questions/270930/
  using-emacs-to-recursively-find-and-replace-in-text-files-not-already-open
- M-x find-name-dired
- Hit t to "toggle mark" for all files found.
- Hit Q for "Query-Replace in Files...".
- Same interfaces as query-replace-regexp.