From: William James <w_a_x_man@...>
Date: 2007-01-22T05:05:06+09:00
Subject: Re: gsub and backslashes


John Wright wrote:
> Say I want to replace all occurrences of \ in a string with \\:
>
> test = "a string with \\ a backslash"
> puts test.gsub(/\\/, "\\\\") #no worky
> => a string with \ a backslash
>
> puts test.gsub(/\\/, "\\\\\\") #why does this work?
> => a string with \\ a backslash
>
> Why does the replacement string have to be six backslashes? Hopefully
> this is really simple and I'm just being dense...

puts test.gsub(/\\/, '\&\&')