From: Tom Allison <tallison@...>
Date: 2006-04-12T03:23:26+09:00
Subject: Re: regex flags


On 4/11/2006, "Logan Capaldo" <logancapaldo@gmail.com> wrote:

>
>On Apr 11, 2006, at 1:50 PM, Tom Allison wrote:
>
>>
>> Generically, how do you impliment the various flags?
>>
>> I figured out:  s/  /  /g --> gsub
>> and s/  /  /   ->  sub
>>
>> What about something like
>> /   /ixsmg
>> or various combinations thereof?
>>
>
>i and x are both there, in the same way, as well as m
>e.g.
>
>/  /i
>/  /x
>/   /ix
>/  /m
>
>The only reason /g doesn't really work is that ruby doesn't have a
>s/// operator (I guess it's an operator) and that modifier applies
>more  to the substitution than the regexp itself.
>

I frequently use a perl approach of

while ($arg =~ /(string_thing)/igsm) {
   #  use $1 here
}
to pick out chunks of a string as an iteration through the string.
This would require a 'g' without the 's'.

No chance?