From: Robert Dober <robert.dober@...>
Date: 2007-04-28T06:55:29+09:00
Subject: Re: String substitution?

On 4/27/07, Roberto Rivera <roberto.rivera@gmail.com> wrote:
> Hello,
>
> Im working on a small rails app that uses a text editor component
> (FCKEdit). In certain cases, the editor will add characters to my string
> that I need to remove before I show the output.
>
> For example, it will add '\' in front of any '"' or '\' in my document.
>
> I was checking out String.replace and String.gsub, but they both seem to
> replace any element that matches the input string.
>
> "hello".gsub(/[aeiou]/, '*')              #=> "h*ll*"
>
> In my particular case, I need it to match the whole string for
> substitution.
>
> I worked out this code in order to substitute '\"' for '"' and '\\' for
> '\':
>
> <%= text.split('\"').join('"').split("\\\\").join("\\") %>
First of all there is nothing wrong with this(1), I like it a lot,
however as you have asked;)

text.gsub('\"','"').gsub("\\\\","\\")

might indeed be considered a little bit more concise.

Funny how this pattern just matches my previous post in the string
replacement thread.

HTH
Robert
(1) With the exception of a trailing \" or \\"
>
> Im sure there's gotta be some other way to make it work without breaking
> it into arrays and rejoining.
>
> Any help will be appreciated.
> az
>
> --
> Posted via http://www.ruby-forum.com/.
>
>


-- 
You see things; and you say Why?
But I dream things that never were; and I say Why not?
-- George Bernard Shaw