From: Karl-Heinz Wild <kh.wild@...>
Date: 2008-02-06T16:34:23+09:00
Subject: Re: Regexp matching in a block of code

On 06.02.2008, at 08:26, Karl-Heinz Wild wrote:

> 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.

You can also write

if Regexp.new( comp ).match( add )
   ...

- Karl-Heinz