Regex lookahead example not as stated in Camel 4th

[Dave Cross]

Quoting gvim <gvimrc at gmail.com>:

> On 19/06/13 14:52, Abigail wrote:
>
>> That's not a lookahead assertion. This is:
>>
>>   $ perl -wE 'say for "0123456789" =~ /(?=(\d{3}))/g'
>>   012
>>   123
>>   234
>>   345
>>   456
>>   567
>>   678
>>   789
>>   $
>
> So there's a typo on p.248

Patches welcome - http://oreilly.com/catalog/errata.csp?isbn=9780596004927

Dave...