From: Kornelius Kalnbach <murphy@...>
Date: 2009-02-06T10:27:09+09:00
Subject: [ruby-core:21874] Re: What does this regexp mean - /\c#{_J}/

Shri Borde wrote:
> it "allows substitution to interact with other Regexp constructs" do 
> ...

Tomas Matousek wrote:
> \c converts the following character (which happens to be # in this 
> case) to a control character. So #{} is not treated as an expression 
> in this case.
> 
> irb(main):001:0> "\c#{foo}" => "\003{foo}"

thank you both, I was able to fix a related bug in my highlighting
library with your example code and explanation.

[murphy]