From: Paul Vudmaska <paul@...>
Date: 2004-03-17T02:43:58+09:00
Subject: Re: reg multi match replace

David A. Black wrote:

>Hi --
>
>On Wed, 17 Mar 2004, Paul Vudmaska wrote:
>
>  
>
>>David A. Black wrote:
>>
>>    
>>
>>>Another small suggestion:  it doesn't look like you need two captures (unless
>>>you're doing something with $1 that isn't revealed here):
>>>
>>> @value.gsub!(/(\{\{(.+?)\}\})/) { @values[$1] }
>>>
>>>                     ^^^ 
>>>                     (or \w+? if wanted)
>>>
>>>
>>>David
>>>
>>> 
>>>
>>>      
>>>
>>Thanks David, Soon after i fired the email i noticed it did not work on 
>>lines with 2 tokens {{one}} {{two}} so adding the ? worked great!  About 
>>the inner capture, the outer one matched {{match}} and i needed just the 
>>name - match - which matches the hash i pass to the template 
>>{'match'=>'match value'}. Using @values[$2] matched the inner one. To be 
>>honest, i did not know what $2 was, when i was considering my 
>>options(like replacing {}), but then i thot "there's a $1 there must be 
>>a $2" - and it worked after i put the inner capture.  i thot it was 
>>great -and  a testament to the goodness of all this! The names that will 
>>be in the tokens and hashes will be like 'name', 'client.name'. So per 
>>your suggestion  i changed it to /(\{\{([\w\.]+?)\}\})/ which 
>>accomodates the dot and is more concise to boot. Appreciate your help :0)
>>    
>>
>
>The thing is, you don't need an inner and outer match in the first
>place, if all you want is the inner stuff.  You're just saving an
>extra piece of data that you're not using.
>
>
>David
>
>  
>

Right, David, now i see that - pretty cool, thanks! :P