From: Naga Vijay <lists@...>
Date: 2012-08-29T23:22:44+09:00
Subject: Re: Regex Non Greedy Match

Robert Klemme wrote in post #1073731:
> On Wed, Aug 29, 2012 at 3:48 AM, Regis d'Aubarede <lists@ruby-forum.com>
> wrote:
>>> re = /@\[Subject:\d+\|(.*)\]/
>>
>> try :
>> re = /@\[Subject:\d+\|(.*?)\]/
>>
>> test :
>> str2.scan re
>> => [["My_Subject"], ["Your_Subject"]]
>
> In this case we can also use a character class which excludes closing
> square bracket:
>
> irb(main):004:0> [str1,str2].each {|s| printf "%s -> %p\n", s,
> s.scan(/\[Subject:\d+\|([^\]]*)\]/)}
> Hi, @[Subject:13|My_Subject] -> [["My_Subject"]]
> Hi, @[Subject:13|My_Subject], and @[Subject:45|Your_Subject] ->
> [["My_Subject"], ["Your_Subject"]]
>
> irb(main):005:0> [str1,str2].each {|s| printf "%s -> %p\n", s,
> s.scan(/\[Subject:\d+\|([^\]]*)\]/).flatten}
> Hi, @[Subject:13|My_Subject] -> ["My_Subject"]
> Hi, @[Subject:13|My_Subject], and @[Subject:45|Your_Subject] ->
> ["My_Subject", "Your_Subject"]
>
> Kind regards
>
> robert


Excellent!  Thanks very much, Robert!

Naga Vijay

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