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Add subexp arg to replace-match.

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Richard M. Stallman 1995-08-08 20:08:09 +00:00
parent 4669fb3c76
commit d544c776f6
1 changed files with 7 additions and 1 deletions
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8
lispref/searching.texi
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@ -1079,7 +1079,7 @@ character of the buffer counts as 1.)
@var{replacement}.
@cindex case in replacements
@defun replace-match replacement &optional fixedcase literal string
@defun replace-match replacement &optional fixedcase literal string subexp
This function replaces the text in the buffer (or in @var{string}) that
was matched by the last search. It replaces that text with
@var{replacement}.
@ -1127,6 +1127,12 @@ Subexpressions are those expressions grouped inside @samp{\(@dots{}\)}.
@cindex @samp{\} in replacement
@samp{\\} stands for a single @samp{\} in the replacement text.
@end table
If @var{subexp} is non-@code{nil}, that says to replace just
subexpression number @var{subexp} of the regexp that was matched, not
the entire match. For example, after matching @samp{foo \(ba*r\)},
calling @code{replace-match} with 1 as @var{subexp} means to replace
just the text that matched @samp{\(ba*r\)}.
@end defun
@node Entire Match Data