From: Luis Parravicini <lparravi@...>
Date: 2007-01-24T02:50:44+09:00
Subject: Re: Using Regular Expressions in Arrays

On 1/23/07, JT Kimbell <jtkimbell@yahoo.com> wrote:
> Right now I have an array of terms and I want to delete/find a term
> using pattern matching.
>
> For example, I have the following array (this is a very simple example).
>
> x = ["dog", "cat", "moose"]
>
> x.include?(/dog/) returns false.

Array.include? checks if the array contains the object you passed as argument.

> Anyway, my question is if I can use regex to find an array element(s)?

I'm sure there are better ways of doing it, but as far as I know, I
would do it with using something like:

x.map { |x| x if x =~ /regexp/ }.compact

The array returned are the elements which match the regexp


Luis