Re: Searching for any one of a set or words ?

On 2014-09-21 01:10, Philip Rhoades wrote:
> > :new " create an empty buffer
> > :r words.txt " read your wordlist into it
> > :%s/\_s\+/\\|/g " convert all whitespace including newlines
> > " to "\|", the "or" conjunction in a regexp
> > :y a " yank that into the "a" register
> > :q
> > :let @/ = '\<\%(' . @a, '\.[*') . '\)\>'
>
> The simple version works fine but there is an error in the complex
> let statement somewhere - I can see the search register and the "a"
> register
> - can you explain how the stuff around the "a" register works or
> point me to somewhere?

The goal is to have a search expression that would look something like

\<\%(quick\|fox\|lazy\|dog\)\>

The \< and \> enforce word start/end boundaries, and the \%(...\)
should create a group around the various alternatives that are
separated by "\|". If it helps, instead of joining them, you can
type the "/" to search, type the "\<\%(" and then use control+R
followed by "a" to paste in the contents you yanked into the "a"
register, then do any cleanup, finally add on the "\)\>" at the end.

-tim


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