From: "Hal E. Fulton" <hal9000@...>
Date: 2002-09-20T10:21:16+09:00
Subject: Re: Thoughts on improving usage of Regexp#match

----- Original Message ----- 
From: "Yukihiro Matsumoto" <matz@ruby-lang.org>
To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
Sent: Thursday, September 19, 2002 8:07 PM
Subject: Re: Thoughts on improving usage of Regexp#match


> Hi,
> 
> In message "Re: Thoughts on improving usage of Regexp#match"
>     on 02/09/20, Dossy <dossy@panoptic.com> writes:
> 
> |a = /x/.match("abc") && $~[1] || ""     # a => ""
> |
> |b = /(b)/.match("abc") && $~[1] || ""   # b => "b"
> |
> |c = /b/.match("abc") && $~[1] || ""     # c => ""
> 
> I guess Hal dislikes these for ugly "$".  

True. And also because they have three operands
rather than just two, which crosses my complexity
threshold for this kind of situation. :)

> Another solution:
> 
>   regex.match(str)
>   sub1 = Regexp.last_match(1) || ""

Also good! This will work with 1.6, and
it meets all three of my silly criteria.

Thanks,
Hal