From: James Edward Gray II <james@...>
Date: 2005-09-15T02:11:11+09:00
Subject: Re: Quick and dirty word wrapping.

On Sep 14, 2005, at 9:59 AM, James Edward Gray II wrote:


> On Sep 14, 2005, at 9:48 AM, Gavin Kistner wrote:
>
>
>
>> On Sep 14, 2005, at 8:38 AM, James Edward Gray II wrote:
>>
>>
>>
>>>> str.scan(/(.{1,30})(?:\s+|$)/)
>>>>
>>>>
>>>>
>>> I'm still puzzling out how that works...
>>>
>>>
>>>
>>
>> Up to 30 characters, but there has to be whitespace after it (to  
>> keep it from splitting in the middle of the word) or be the very  
>> end of the string. The greedy regexp will grab all 30 if it can  
>> find them with whitespace after, otherwise it will backtrack until  
>> it finds the right spot.
>>
>>
>
> I do understand the Regexp, but isn't that a look-ahead assertion  
> at the end?
>

Answering my own dumb question, "No James, that's simple clustering  
not a look-ahead.  Get your Regexp symbology right man!"  Clustering  
does consume characters of course, so it now all makes sense to me.

I guess it was just too early in the morning for me...  ;)

James Edward Gray II