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Search in buffers for a pattern.
This command searches through buffers for a pattern. It prompts for a
search string and a buffer pattern; the default is to search only the
current buffer. Then it searches in all buffers matching the buffer
pattern, listing matching lines in the grep buffer. The grep buffer
then appears in the current window.
By default, buffer-grep interprets the search string as a regular
expression. Press Ctrl-T at the search string prompt to toggle
regular expression mode. You can also type Ctrl-W or Ctrl-C to toggle
word-mode or case-folding searches, respectively.
The buffer name pattern may contain the wildcard characters
match any single character,
* to match zero or more characters, a
character class like
[^a-zA-Z] to match any non-alphabetic
| to separate alternatives.
In grep mode, alphabetic keys run special grep commands. See the
description of the grep-mode command for details. Typing H or "?"
in grep mode gives help on grep subcommands.
A bit in the search-in-region variable makes grepping a single
buffer restrict itself to a highlighted region. By default, Epsilon
searches entire buffers.
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