From: Sriram Varahan <sriram.varahan@...>
Date: 2010-01-13T21:49:39+09:00
Subject: Ruby Regex

Hello,

I have a string as a = "&0&1"

I need to pass this value with the ampersand escaped to another command
in my program.

So I tried something like this:

irb(main):038:0> a.gsub(/&/,"\\&")
=> "&0&1"

But if I replace the & with some other variable I get it properly
working:

irb(main):049:0> a.gsub(/&/,"\\g")
=> "\\g0\\g1"

Any explanation on why this is happening and how to go about escaping
the &.

Thanks.
Sriram Varahan.
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