From: "Wolfgang Nádasi-Donner" <ed.odanow@...>
Date: 2007-12-30T22:35:55+09:00
Subject: Re: find next occurence, regular expressions

John Griffiths wrote:
> Hi, ok I'm none to good at regular expressions but i've got to do
> something and need a little help.
> 
> Basically i'm trying to hunt down a particular word within a url string,
> 
> so to test, i define a local variable, var_string,
> 
> var_string="user=22&val=999"
> 
> then run a regular expression match on the variable,
> 
> user = var_string.match(/=(\w+)&/)
> 
> which returns => '22' as it's looking for the first word occurence which
> has = and a & at the start & finish.
> 
> so the question is how could i return the second occurence (999) ?

I think this will be an easy solution...

var_string="user=22&val=999"
vars = {}
var_string.scan(/(\w+)=(\w+)(?:&|$)/) do |name, val|
  vars[name] = val
end
p vars # => {"user"=>"22", "val"=>"999"}
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