From: Karl-Heinz Wild <kh.wild@...>
Date: 2008-02-06T16:26:55+09:00
Subject: Re: Regexp matching in a block of code


On 06.02.2008, at 04:04, Vell wrote:

> addresses = ["foo1@bar1.com", "foo2@bar2.com", "foo3@bar3.com"]
> competitors = ["bar.com", "bar1.com", "bar4.com"]
>
> addresses.each do |add|
>  competitors.each do |comp|
>    puts "Checking Competitor: #{comp}"
>    if(add =~ Regexp.escape(comp))
>      puts "#{check} matched"
>    else
>      puts "No Match"
>    end
>  end
> end


As you can see in the documentation Regexp.escape returns a string
and Regexp.new returns an regexp.

If you write

if(add =~ %r { Regexp.escape(comp)) }

or

if(add =~ Regexp.new( Regexp.escape(comp)) )

you code works for me.

- Karl-Heinz