Re: remove all except pattern

On Jun 20, 1:50 am, Tim Chase <v...@tim.thechases.com> wrote:
> On 06/19/2011 11:15 AM, rameo wrote:
>
>
>
> > I would like to know how to remove everything except pattern.
>
> > p.e.
>
> > hello this is an example, hello to everybody
> > example hello
>
> > I do a search for hello
>
> > My output has to be:
>
> > hellohello
> > hello
>
> > or
>
> > hello hello
> > hello
>
> My first thought would be something like
>
> :%s/\w\+/\=submatch(0)=~'pattern'?submatch(0):''
>
> or perhaps
>
> :%s/\w\+\W*/\=submatch(0)=~'pattern'?submatch(0):''
>
> This assumes your pattern is a single-word. You'd have to expand
> your search expression to accommodate if it's more than a
> single-word. You're basically chunking it up into pieces you can
> match your pattern against, and then, if the pattern doesn't
> match, replacing it with an empty string ('')
>
> -tim

Hi Tim,

I checked it but it doesn't do what I would like it does :(

Rameo

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