diff options
| -rw-r--r-- | doc/emacs/search.texi | 12 | ||||
| -rw-r--r-- | lisp/replace.el | 17 |
2 files changed, 16 insertions, 13 deletions
diff --git a/doc/emacs/search.texi b/doc/emacs/search.texi index d841934c855..b41214df1ae 100644 --- a/doc/emacs/search.texi +++ b/doc/emacs/search.texi @@ -1356,12 +1356,12 @@ Replace every match for @var{regexp} with @var{newstring}. it can refer to all or part of what is matched by the @var{regexp}. @samp{\&} in @var{newstring} stands for the entire match being replaced. @samp{\@var{d}} in @var{newstring}, where @var{d} is a -digit, stands for whatever matched the @var{d}th parenthesized -grouping in @var{regexp}. (This is called a ``back reference''.) -@samp{\#} refers to the count of replacements already made in this -command, as a decimal number. In the first replacement, @samp{\#} -stands for @samp{0}; in the second, for @samp{1}; and so on. For -example, +digit starting from 1, stands for whatever matched the @var{d}th +parenthesized grouping in @var{regexp}. (This is called a ``back +reference''.) @samp{\#} refers to the count of replacements already +made in this command, as a decimal number. In the first replacement, +@samp{\#} stands for @samp{0}; in the second, for @samp{1}; and so on. +For example, @example M-x replace-regexp @key{RET} c[ad]+r @key{RET} \&-safe @key{RET} diff --git a/lisp/replace.el b/lisp/replace.el index fe90062cc8a..eb5e0cfffcb 100644 --- a/lisp/replace.el +++ b/lisp/replace.el @@ -391,9 +391,10 @@ replace backward. Fourth and fifth arg START and END specify the region to operate on. -In TO-STRING, `\\&' stands for whatever matched the whole of REGEXP, -and `\\=\\N' (where N is a digit) stands for -whatever what matched the Nth `\\(...\\)' in REGEXP. +In TO-STRING, `\\&' or `\\0' stands for whatever matched the whole of +REGEXP, and `\\=\\N' (where N is a digit) stands for whatever matched +the Nth `\\(...\\)' (1-based) in REGEXP. The `\\(...\\)' groups are +counted from 1. `\\?' lets you edit the replacement text in the minibuffer at the given position for each replacement. @@ -451,7 +452,9 @@ If the result of TO-EXPR is not a string, it is converted to one using For convenience, when entering TO-EXPR interactively, you can use `\\&' or `\\0' to stand for whatever matched the whole of REGEXP, and `\\N' (where -N is a digit) to stand for whatever matched the Nth `\\(...\\)' in REGEXP. +N is a digit) to stand for whatever matched the Nth `\\(...\\)' (1-based) +in REGEXP. + Use `\\#&' or `\\#N' if you want a number instead of a string. In interactive use, `\\#' in itself stands for `replace-count'. @@ -635,9 +638,9 @@ replace backward. Fourth and fifth arg START and END specify the region to operate on. -In TO-STRING, `\\&' stands for whatever matched the whole of REGEXP, -and `\\=\\N' (where N is a digit) stands for -whatever what matched the Nth `\\(...\\)' in REGEXP. +In TO-STRING, `\\&' or `\\0' stands for whatever matched the whole of +REGEXP, and `\\=\\N' (where N is a digit) stands for +whatever matched the Nth `\\(...\\)' (1-based) in REGEXP. `\\?' lets you edit the replacement text in the minibuffer at the given position for each replacement. |