(xemacs.info)Unconditional Replace

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12.7.1 Unconditional Replacement

`M-x replace-string <RET> STRING <RET> NEWSTRING <RET>'
     Replace every occurrence of STRING with NEWSTRING.

`M-x replace-regexp <RET> REGEXP <RET> NEWSTRING <RET>'
     Replace every match for REGEXP with NEWSTRING.

   To replace every instance of `foo' after point with `bar', use the
command `M-x replace-string' with the two arguments `foo' and `bar'.
Replacement occurs only after point: if you want to cover the whole
buffer you must go to the beginning first.  By default, all occurrences
up to the end of the buffer are replaced.  To limit replacement to part
of the buffer, narrow to that part of the buffer before doing the
replacement (Note: Narrowing).

   When `replace-string' exits, point is left at the last occurrence
replaced.  The value of point when the `replace-string' command was
issued is remembered on the mark ring; `C-u C-<SPC>' moves back there.

   A numeric argument restricts replacement to matches that are
surrounded by word boundaries.

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