Re: horizontal range, kindof

On Monday, June 27, 2016 at 6:12:47 AM UTC-5, BPJ wrote:
> I'm trying to do a substitution in a 'horizontal/virtual column range'.
>
> I have an ASCII table where the columns are separated by tab
> characters (for now). I want to wrap the contents (which contain
> space (U+0020) and \S characters, being of unequal length of
> course!) of some specific table columns in asterisks (think
> Markdown emphasis). I thought I could use a range and \%v to
> match the text between two screen virtual columns and then use an
> expression with substitute() to wrap instances of \T\+
> inside the matched screen column range, something like
>
> 'a,'b s/\%13v.*\%46v/\=substitute(submatch(0),'\T\+','*&*','g')/
>
> but apparently I've misunderstood \%v because I get no match.
> So what is the right way to do this? I'm not looking forward to
> changing three columns on some 70 lines manually!
>
> /bpj

What are you trying to match with "\T"? Because as far as I can tell that
matches the letter "t". If you're looking to match tabs, that would be "\t".
The case does make a difference.

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