Better incremental search

10 years ago

<Tab> does what n does, only without leaving incremental search.

<S-Tab> does what N does, only without leaving incremental search.

set wildcharm=<C-z>

function! BetterIncSearch(key)
    if getcmdtype() == "/" || getcmdtype() == "?"
        if (a:key == "tab" && b:direction == "f") || (a:key == "stab" && b:direction == "b")
            return "\<CR>/\<C-r>/"
        elseif (a:key == "tab" && b:direction == "b") || (a:key == "stab" && b:direction == "f")
            return "\<CR>?\<C-r>/"
        endif
    else
        if a:key == "tab"
            return "\<C-z>"
        else
            return "\<S-Tab>"
        endif
    endif
endfunction

nnoremap / :let b:direction = "f"<CR>/
nnoremap ? :let b:direction = "b"<CR>?

cnoremap <expr> <Tab>   BetterIncSearch("tab")
cnoremap <expr> <S-Tab> BetterIncSearch("stab")