From: "Berger, Daniel" <Daniel.Berger@...>
Date: 2006-05-25T00:13:11+09:00
Subject: Re: String.scan hangs in some cases?

> -----Original Message-----
> From: list-bounce@example.com 
> [mailto:list-bounce@example.com] On Behalf Of Wes Gamble
> Sent: Wednesday, May 24, 2006 9:11 AM
> To: ruby-talk ML
> Subject: Re: String.scan hangs in some cases?
> 
> 
> Just for kicks, here was the original regex - attempting to match 
> against a string containing an entire HTML page OR a style sheet.
> 
> /(?=<style)*?background.*?(?=-image)*?:.*?url\((.*?)\).*?(?=<\
> /style>)*?/
> 
> I was attempting to make the <style  and </style> parts optional.
> 
> As it turns out, there are so many different ways that a style can be 
> specified in a HTML page, that I just went with the much simpler:
> 
> /background.*?:.*?url\((.*?)\)/i
> 
> Wes

Parsing HTML with regular expressions is the work of the Devil.

Regards,

Dan


This communication is the property of Qwest and may contain confidential or
privileged information. Unauthorized use of this communication is strictly 
prohibited and may be unlawful.  If you have received this communication 
in error, please immediately notify the sender by reply e-mail and destroy 
all copies of the communication and any attachments.