From: William James <w_a_x_man@...>
Date: 2008-03-02T00:04:57+09:00
Subject: Re: Scan HTML

On Mar 1, 7:56 am, Tom Arra <turtleman14...@gmail.com> wrote:
> Tom Arra wrote:
> > William James wrote:
> >> On Feb 29, 9:22 pm, Tom Arra <turtleman14...@gmail.com> wrote:
> >>> </body>
> >>> </html>
>
> >>> I want the script to return "test"
> >>> --
> >>> Posted viahttp://www.ruby-forum.com/.
>
> >> require 'net/http'
> >> puts Net::HTTP.new('www.google.com').get('/').
> >>   body[ %r{<title\s*>(.*?)</title\s*>}mi, 1 ]
>
> >> If the tag can contain attributes, e.g.,
> >> <title foo="bar">:
>
> >> require 'net/http'
> >> puts Net::HTTP.new('www.google.com').get('/').
> >>   body[ %r{<title(?:\s*|\s+.*?)>(.*?)</title\s*>}mi, 1 ]
>
> > So far I think this is closest to what I am looking for. I need to go to
> > a website that has a server information and pull that out of the HTML.
> > Then take that info and spit it back out to the user. If I am
> > understanding the code above, it at least does the first part which I
> > had no clue how to do.
>
> Well I just tried it and it worked like a charm. My next thing is to
> limit what it brings back.
>
> Example
> <h3>blah blah blah 7.0.0.3.4 blah blah blah</h3>
>
> I want to pull just the 7.0.0.3.4 and none of the words. I am sure this
> is going to have to deal with more regular expressions but I never
> really understood how to use them well.
> --
> Posted viahttp://www.ruby-forum.com/.

E:\>irb --prompt xmp
s = " <h3>blah blah 7.0.0.3.4 blah</h3>"
    ==>" <h3>blah blah 7.0.0.3.4 blah</h3>"
# Find a substring composed of numerals and dots that is
# at least 3 characters long.
s[ /[\d.]{3,}/ ]
    ==>"7.0.0.3.4"