Looking for a robust 'search for visual selection' implementation

Hi list,

one popular implementation of a 'search for the current visual
selection' mapping looks like this:

function! s:VSetSearch(cmdtype)
let temp = @s
norm! gv"sy
let @/ = '\V' . substitute(escape(@s, a:cmdtype.'\'), '\n', '\\n', 'g')
let @s = temp
endfunction

xnoremap * :<C-u>call <SID>VSetSearch('/')<CR>/<C-R>=@/<CR><CR>
xnoremap # :<C-u>call <SID>VSetSearch('?')<CR>?<C-R>=@/<CR><CR>

It does have a couple of problems though, such as not restoring the
register type of the s register, and not handling null bytes properly.

I was wondering if anybody can point me to a small, robust
implementation that handles all the edge cases properly and doesn't have
side effects, before I try to write one myself.

Thanks,


--
David

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