From: Srijayanth Sridhar <srijayanth@...>
Date: 2009-05-06T20:06:36+09:00
Subject: Re: Ruby Regex

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He only wanted the first occurrence of zip I think.

Jayanth

On Wed, May 6, 2009 at 4:33 PM, Robert Klemme <shortcutter@googlemail.com>wrote:

> 2009/5/6 Robert Dober <robert.dober@gmail.com>:
> > On Wed, May 6, 2009 at 9:18 AM, Sriram Varahan <sriram.varahan@gmail.com>
> wrote:
> >> Hello,
> >>
> >>
> >>  I have this string:
> >>
> >>    "d:\\home\\abc2.zip\\abc.zip\\abc.com"
> >>
> >>  I need to extract the contents up to the first occurrence of zip which
> >> would be:
> >>
> >>  "d:\\home\\abc2.zip"
> >>
> >> When i use a regex like: \(.+).zip\ it gives me the entire contents upto
> >> the second zip.
> > Why are you so greedy Sriram ;)? Well it is not you it is the "+"
> > which is greedy, try the non greedy version "+?" it might just give
> > you a nice surprise.
>
> Why not use File.dirname?
>
> irb(main):003:0> File.dirname "d:\\home\\abc2.zip\\abc.zip\\abc.com"
> => "d:\\home\\abc2.zip\\abc.zip"
>
> Cheers
>
> robert
>
>
> --
> remember.guy do |as, often| as.you_can - without end
> http://blog.rubybestpractices.com/
>
>

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