From: Benoit Daloze <eregontp@...>
Date: 2009-12-14T19:17:26+09:00
Subject: Re: problem with trivial regular expression

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irb> s =
"fajljsfjaosfohttp://www.marca.comjafosjodfahttp://www.as.comjfoaasjofja"
=> "fajljsfjaosfohttp://www.marca.comjafosjodfahttp://www.as.comjfoaasjofja"
irb> s.scan( %r{http://.+?\.com} )
=> ["http://www.marca.com", "http://www.as.com"]

I use scan because we want multiple results.

For the Regexp,
in ".+?", you make it ungreedy
The %r{} let you write / without escaping
I also add a "\." to ensure there is a point before "com"

Enjoy

2009/12/14 David Villa <villa.hxc@gmail.com>

>
> hi ,sorry for my english.
>
> I am trying to remember the use of regular expressions and i have a
> problem  with this  :
>
> i had a text with diferents strings, for example, url , like this :
>
> fajljsfjaosfohttp://www.marca.comjafosjodfahttp://www.as.comjfoaasjofja
>
> i want to extract the diferents url  but i try with :
> /(http\:\/\/.+com)/ it returns a long match:
>
>
>
>   1. http://www.marca.comjafosjodfahttp://www.as.com
>
>
> how can i group this in 2 diferents matchs? example :
> 1- http://www.marca.com
> 2- http://www.as.com
>
>
> thanks
> --
> Posted via http://www.ruby-forum.com/.
>
>

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