From: Robert Klemme <bob.news@...>
Date: 2003-12-12T23:52:01+09:00
Subject: Re: regexp for $(text)


"Emmanuel Touzery" <emmanuel.touzery@wanadoo.fr> schrieb im Newsbeitrag
news:3FD99DCC.2020001@wanadoo.fr...
> Emmanuel Touzery wrote:
>
> > Szymon Drejewicz wrote:
> >
> >> I have string
> >> a = "ala $(ela) ola $(tola) lola $(p_ola) ".
> >>
> >> And I need some magic function that works this way:
> >>
> >> >> puts a.params
> >> ["ela", "tola", "p_ola"]
> >>
> >> How to do this?
> >
> >
> > just escape the ( and the $.
> >
> > irb(main):001:0> a = "ala $(ela) ola $(tola) lola $(p_ola) "
> > => "ala $(ela) ola $(tola) lola $(p_ola) "
> > irb(main):002:0> a.scan /\$\((\w+)\)/
> > => [["ela"], ["tola"], ["p_ola"]]
> > irb(main):003:0>
> >
> > emmanuel
> >
> btw if you just want a one-depth array:
>
> irb(main):004:0> a.scan(/\$\((\w+)\)/).flatten
> => ["ela", "tola", "p_ola"]

Also:

irb(main):010:0> a.scan(/\$\(([^)]*)\)/).map{|m| m[0]}
=> ["ela", "tola", "p_ola"]
irb(main):011:0>

    robert