From: Emmanuel Touzery <emmanuel.touzery@...>
Date: 2003-12-12T19:47:16+09:00
Subject: Re: regexp for $(text)

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