From: Nanyang Zhan <sxain@...>
Date: 2007-04-10T22:00:47+09:00
Subject: Re: regexp -how to match this?

Rick Denatale wrote:

> (?=<span) - This is a zero-length lookahead, this means that "<span"
> must occur just after what has been matched, but it will not be part
> of the match itself.

so ?= makes pattern lookAHEAD. How to make pattern lookBEHIND?

for instance:

example sentence:
This forum is connected to a mailing list that is read by <span 
class="wow">thousands</span> of people.

question:
how to make a Regexp to match the words followed by the </span> tag?

a /<\/span>.*/ will include the tag, which isn't what I want.

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