From: Jim Freeze <jim@...>
Date: 2002-11-15T21:59:07+09:00
Subject: Re: Regexp: What does //o do?

On Friday, 15 November 2002 at 15:23:16 +0900, nobu.nokada@softhome.net wrote:
> Hi,
> 
> At Fri, 15 Nov 2002 15:02:51 +0900,
> Jim Freeze wrote:
> > In a regex, what is the /o for (as opposed to n, i or g)?
> > 
> > EG
> >  re = /\A\s+/o
> 
> This o has no meanings.  It's usefull with interpolation.
> 
> ['\A\s+', '\S+\z'].map {|s| /#{s}/}	# => [/\A\s+/, /\S+\z/]
> ['\A\s+', '\S+\z'].map {|s| /#{s}/o}	# => [/\A\s+/, /\A\s+/]
> 

I'm confused. Why does it affect the map iterator?

['a','b'].map {|s| /#{s}/o}  # => [/a/,/a/]

Jim

> -- 
> Nobu Nakada
> 

-- 
Jim Freeze
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