From: J-H Johansen <ondemannen@...>
Date: 2012-01-27T08:16:38+09:00
Subject: Re: Help with back references in regex

On Thu, Jan 26, 2012 at 11:15 PM, Sathya Levy <sathyalevy@gmail.com> wrote:
> Amatuer programmer here, just need some help inserting a * between a
> coefficient and a variable to later be evaled. Need some help
> referencing back to the (\d+) the number in front of a variable.  Also
> need to do this with )( inserting a * in between them. Any help would be
> great.
>
> equation = "5x"
> if equation =~ /(\d+)x/
>          equation =equation.gsub((/(\d+)x/),(\1 + "*" + "x"))

equation.gsub((/(\d+)x/), '\1*x')

> end
>
> --
> Posted via http://www.ruby-forum.com/.
>



-- 
Jens-Harald Johansen
--
There are 10 kinds of people in the world: Those who understand binary and
those who don't...