From: Reimer Behrends <behrends@...>
Date: 2003-01-27T19:17:15+09:00
Subject: Re: Very nasty piece of code

Peter Hickman (peter@semantico.com) wrote:
[...]
>  while string =~ /(&#([0-9a-fA-F]{2});)/ do
>     # Converting from &#XX; to \'XX
>  
>     string.sub!($1, "\\\\\\\''#{$2}")
>  end

string.gsub!(/&#[0-9a-fA-F]{2};/) {|x| "\\'#{x[2,2]}" }

is faster (your code has quadratic complexity) and a bit more concise.

		Reimer Behrends