![]() When using the c flag, you need to confirm for each match what to do. Using :set gdefault creates confusion because then %s/// is global, whereas %s///g is not (that is, g reverses its meaning). This tip assumes the default setting for the 'gdefault' and 'edcompatible' option (off), which requires that the g flag be included in %s///g to perform a global substitute. The g flag means global – each occurrence in the line is changed, rather than just the first. This may be wanted after using :set ignorecase to make searches case insensitive. ![]() :%s/foo\C/bar/gc is the same because \C makes the search case sensitive. :%s/foo/bar/gcI Change each 'foo' (case sensitive due to the I flag) to 'bar' ask for confirmation. This may be wanted after using :set noignorecase to make searches case sensitive (the default). :%s/foo\c/bar/gc is the same because \c makes the search case insensitive. :%s/foo/bar/gci Change each 'foo' (case insensitive due to the i flag) to 'bar' ask for confirmation. :%s/\/bar/gc Change only whole words exactly matching 'foo' to 'bar' ask for confirmation. :%s/foo/bar/gc Change each 'foo' to 'bar', but ask for confirmation first. :%s/foo/bar/g Find each occurrence of 'foo' (in all lines), and replace it with 'bar'. ![]() :s/foo/bar/g Find each occurrence of 'foo' (in the current line only), and replace it with 'bar'. There are many options, but these are what you probably want: The :substitute command searches for a text pattern, and replaces it with a text string.
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