Re: Regexp help

On Tuesday, July 30, 2013 4:15:37 AM UTC-5, kilter wrote:
> I have a fortran program in which there are two sorts of numbers, integers which are simply digits not followed by a period, and double precision numbers in the form 1.0D0, or more precisely \d\+\.\d\+D\d\+ I would like to search for the former, avoiding the latter. Any suggestions gratefully received!

You need a negative look-ahead assertion. I.e. a way to tell Vim, "match my pattern wherever this other pattern DOESN'T match after it". The way to do this is Vim is using \@!. But you also need to make sure not to match the stuff after the . with your pattern. I found an easy way to do this is just anchoring to word boundaries with \< and \>.

So the final pattern is:

\<\d\+\>\.\@!

Maybe better using "very magic":

\v<\d+>\.@!

See :help /\@!

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