From: Robert Klemme <shortcutter@...>
Date: 2011-04-07T16:13:13+09:00
Subject: Re: Match a pattern multiple times, returning matches, captures and offset?

On Thu, Apr 7, 2011 at 1:58 AM, 7stud -- <bbxx789_05ss@yahoo.com> wrote:
> You can also get the relative offset like this:
>
> str = "_foo_ _bar_"
>
> str.scan(/_(\w+)_/) do |curr_match|
>  md = Regexp.last_match
>  whole_match = md[0]
>  captures = md.captures
>  captures.each do |capture|
>    p [whole_match, capture, whole_match.index(capture)]
> end

That's nice!  I wasn't aware of this.  Thanks for sharing!

I also just read this in the docs:

"Note that the last_match is local to the thread and method scope of the method
that did the pattern match."

So forget my point about $~ being safer.

Kind regards

robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/