From: badboy <badboy@...>
Date: 2009-05-21T20:39:30+09:00
Subject: Re: Case sensitive strings

Stuart Clarke schrieb:
> Hi all,
> 
> This is one of those annoying ones, but simple to solve I would imagine.
> 
> I have a word list, where each entry is on a single line and in
> lowercase. I process this text file reading each word
> 
> words.each |word|
> etc etc
> 
> I then have a conditional statement to check if a value matches word eg
> 
> if foo == word
>   puts foo
> end
> 
> This all works well, but I am stuck on how to deal with upper and
> lowercase. I want to check if foo is equal to word in lowercase and in
> uppercase.
> 
> What is the best way to do this?
> 
> Many thanks
> 
> Stuart
you can use regexes and the "i"-flag:
   foo =~ /^yourword$/i
  (or better /\Ayourword\Z/i if you're not sure if there are newlines in it)
or lowercase foo:
   foo.downcase == "yourword"

;)