From: Brian Adkins <lojicdotcom@...>
Date: 2008-11-12T02:47:35+09:00
Subject: Re: Comparing variable to multiple values

Robert Klemme <shortcutter@googlemail.com> writes:

> On 11.11.2008 01:56, Brian Adkins wrote:
>> puts 'good' if a =~ /word[1-3]/
>>
>> or
>>
>> puts 'good' if a =~ /word\d+/
>
> You forgot the anchors.  Your regexp will also match "fooword1bar"
> which was not intended by OP.  Also, IIRC it is more efficient to
> switch sides, i.e.

Interesting - I wouldn't think there would be a difference, but I just
benchmarked it and it appears that putting the pattern on the left
gives a 1.2% speed boost.

-- 
Brian Adkins
http://www.lojic.com/
http://lojic.com/blog/