Re: [tlug] [tlug-digest] Regex Efficiency

[Jim <jep200404@example.com>]

David Riggs <dariggs@example.com> wrote:

> I need to find short ... strings in a giant haystack of texts. 

> Is there a way to do this, preferably a fast way to do this? 
> My haystack is hundreds of megabytes and I have to do it a lot.

If this is something that you are going to do much, 
then regex efficiency is a serious concern and you must read: 

   Mastering Regular Expressions by Jeffrey E.F. Friedl

   http://www.oreilly.com/catalog/regex/

especially chapters 4 and 5. Chapter 4 is free: 

   http://www.oreilly.com/catalog/regex/chapter/ch04.html

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newline spanning nastiness still to follow