From: nobuyoshi nakada <nobuyoshi.nakada@...>
Date: 2005-06-10T14:22:27+09:00
Subject: Re: newbieQ: new array from old array w regex

Hi,

At Fri, 10 Jun 2005 13:15:28 +0900,
Charles L. Snyder wrote in [ruby-talk:145032]:
> This only gives me the entire contents of the address node - how do I
> extract only the zip codes (preferably putting them in an array). My next
> step is to end up with a hash table of unique zipcodes and their frequency
> of occurrence...

Enumerable#each just returns the receiver itself.

   puts mylist.grep(/b\d{5}-\d{4}\b|\b\d{5}\b/)

-- 
Nobu Nakada