From: Jens Wille <jens.wille@...>
Date: 2008-04-30T23:18:16+09:00
Subject: Re: Search string for occurneces of words stored in array

Phillip Gawlowski [2008-04-30 16:09]:
> John Butler wrote:
> | Hi,
> |
> | I have a sentence "This is my test sentence" and an array["is", "the",
> | "my"] and what i need to do is find the occurence of any of thearray
> | words in the sentence.
> |
> | I have this working in a loop but i was wondering is there a way to do
> | it using one of rubys string methods.
> |
> | Its sililar to the include method but searching for multiple words not
> | just one.
> |
> | "This is my test sentence".include?("This") returns true
> |
> | but i want something like
> |
> | "This is my test sentence".include?("This", "is", "my")
> |
> | anyone got a nice way to do this? I only need to find if one of the
> | words occure and then i exit.
> |
> | JB
> 
> How about '["is", "the", "my"].each'?
> 
> I.e.:
> 
> ["is", "the", "my"].each do |word|
> ~  break if "the test sentence'.include? word
> end
i'd prefer Enumerable#any?:

  sentence, words = "This is my test sentence", ["This", "is", "my"]
  words.any? { |word| sentence.include?(word) }

or Regexp:

  sentence =~ Regexp.union(*words)

cheers
jens

-- 
Jens Wille, Dipl.-Bibl. (FH)
prometheus - Das verteilte digitale Bildarchiv f端r Forschung & Lehre
Kunsthistorisches Institut der Universit辰t zu K旦ln
Albertus-Magnus-Platz, D-50923 K旦ln
Tel.: +49 (0)221 470-6668, E-Mail: jens.wille@uni-koeln.de
http://www.prometheus-bildarchiv.de/