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
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