From: William James <w_a_x_man@...>
Date: 2008-02-23T02:40:00+09:00
Subject: Re: gsub("\\", "\\\\") seems unintuitive

On Feb 22, 11:27 am, John Woods <jqwo...@gmail.com> wrote:
> The following confusing behavior is noted in the pickaxe book (2nd ed)
> on page 75:
>
>    # I would expect two backslashes in the result
>    irb> puts "\\".gsub("\\","\\\\")
>    \
>
>    # I would expect four backslashes in the result
>    irb> puts "\\".gsub("\\","\\\\\\\\")
>    \\
>
> I can certainly work around it, but it seems unintuitive. Is there a
> reason why gsub behaves this way? Just curious...

puts "\\".gsub("\\"){"\\\\"}