68576Re: Patch: Make :vimgrep // * reuse the last search pattern
- Mar 5, 2013David Bürgin wrote:
> The commands :s//string/, :g//, and :sort // all use the last searchThanks!
> pattern when an empty pattern is given. :vimgrep // *, however, does
> The attached patch makes :vimgrep // * behave like the other search
> Trying and refining a search pattern and then using it with :s//string/
> and :g// is a common editing pattern in Vim. But this doesn't work with
> :vimgrep. Surprisingly, :vimgrep // * matches *everywhere*.
> Why does it match everywhere? Regdump() output shows that "//" is
> compiled to the following regexp:
> All Vim puts in the compiled regexp program is a zero-width NOTHING
> atom. NOTHING doesn't assert anything and matches the empty string, i.e.
> everywhere (like :vimgrep /\ze/ *).
> As far as I am aware, this behaviour is not documented. At least for
> :vimgrep it doesn't serve any purpose. (In fact, I can't think of any
> situation where a completely empty regexp would be appropriate.)
> The attached patch makes :vimgrep reuse the last search pattern, in the
> same way :g and :s do (and :sort).
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13. Go to a poetry recital and ask why the poems don't rhyme.
/// Bram Moolenaar -- Bram@... -- http://www.Moolenaar.net \\\
/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\ an exciting new programming language -- http://www.Zimbu.org ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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