Searching Features in Epsilon 13

Lugaru's Epsilon
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Buffer and File Enhancements in Epsilon 13	Changes from Older Versions	Language Mode Improvements in Epsilon 13

Dired now includes a Shift-G subcommand that runs a flavor of grep to select files for an operation based on their content. For instance, it's now easy to move only those files in a directory that don't contain the word "approved" into a separate directory. The new dired keys Alt-[ and Alt-] move by such markings or by subdirectories (in a multi-directory listing).
Literal replacement text in a search and replace can now be much longer.
Grep has new subcommands Alt-n and Alt-p that move to the next or previous match in a different files. (Use Alt-[ and Alt-] to move to the next or previous searches.)
The new count-words command displays the number of words in the current buffer or region. With a prefix argument, it prompts for a search pattern, then counts its matches.
Searching commands now record failed searches in command history. The new toggle-case-fold command toggles the case-fold setting for the current buffer.
Typing Ctrl-Q Ctrl-@ at a search prompt to search for a null character now works.
In a search command, you can now retrieve the last pattern you used in that particular buffer by pressing Alt-g.
The new #S code in replacement text can be used to more easily swap words in a list of alternatives.
The search-in-region variable has a new flag that makes grepping a single buffer restrict itself to a highlighting region.
The buffer-grep command is new, providing an alternative to invoking grep with a numeric argument, so you can bind it to a key.

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Buffer and File Enhancements in Epsilon 13 Changes from Older Versions Language Mode Improvements in Epsilon 13