Perl/Regex question (hopefully simple)

[Stewart C. Russell]

Madison Kelly wrote:
> 
>   I am trying to do a regex substitute where I need to maintain two 
> pieces of dynamic data. Specifically I am trying to convert some keys 
> into a proper html link. For example, I want to convert:
> 
> [url=groups.google.ca]Google Groups[/url]
> 
> into
> 
> <a href="groups.google.ca" target="_new">Google Groups</a>

If you can't find a pre-built BBCode parser to do all the gruntwork for 
you, this is the small and simple solution that I'd use:

s,\[\/url\],</a>,ig;
s,\[url=([^\]]+)\],<a href="$1" target="_new">,ig;

This allows the URL to be split over multiple lines, which is hard to 
catch with an all-in-one approach.

cheers,
  Stewart
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