From: nobu.nokada@...
Date: 2003-06-30T10:03:20+09:00
Subject: Re: Regexp#options (RCR #43)

Hi,

At Mon, 30 Jun 2003 09:40:48 +0900,
Daniel Berger wrote:
> # example using longhand
> irb(main):001:0> r =
> Regexp.new(/\w+/,Regexp::EXTENDED)
> (irb):1: warning: flags ignored
> => /\w+/

Because you passed a Regexp, which has its own options.

  irb(main):001:0> r = Regexp.new('\w+', Regexp::EXTENDED)
  => /\w+/x
  irb(main):002:0> r.options
  => 2

> # example using shorthand
> irb(main):002:0> r.options
> => 0irb(main):003:0> r = /\w+/xi
> => /\w+/ix
> irb(main):004:0> r.options
> => 3
> 
> My guess is that it's returning length + 1, instead of
> the options themselves.  If my opinion carries any
> weight, I would like r.options (using the last
> example) to return ["x","i"].

BIT OR-ed flags.

  irb(main):003:0> Regexp::EXTENDED
  => 2
  irb(main):004:0> Regexp::IGNORECASE
  => 1

-- 
Nobu Nakada