From: Mike Dalessio <mike.dalessio@...>
Date: 2009-12-16T01:58:39+09:00
Subject: Re: regexp to pars a HTML tag value

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On Tue, Dec 15, 2009 at 11:10 AM, Marnen Laibow-Koser <marnen@marnen.org>wrote:

> Mehdi Karamnejad wrote:
> > I want to replace the value inside a HTML tag with another value using
> > gsub function and regexp,what is the best regexp for this purpose?
> > puts MyStr.gsub(/"What Should Be the Regex?"/, "NewValue")
> > example:
> >  <span id="MySpan" class="current>VALUE</span>
> > above VALUE is what I want to replace with another value
>

With Nokogiri, this would be:

fragment = Nokogiri::HTML.fragment(MyStr)
fragment.at_css("span#MySpan.current").content = 'another value'
puts fragment.to_html


>
> If you expect any complexity at all in the structure of the HTML, then
> regexes will be inadequate and you'll need to use a parser such as
> Nokogiri.
>

>
> Best,
> --
> Marnen Laibow-Koser
> http://www.marnen.org
> marnen@marnen.org
> --
> Posted via http://www.ruby-forum.com/.
>
>


-- 
mike dalessio
mike@csa.net

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