On 6/27/2012 6:26 PM, Paul Halliday wrote:
I have lines that look like (I added intentional line breaks):

alert tcp $HOME_NET 10000 -> $EXTERNAL_NET any (msg:"ET EXPLOIT NDMP
Notify Connect - Possible Backup Exec Remote Agent Recon";
flow:established,from_server; content:"|00 00 05 02|"; offset:16;
depth:20; content: "|00 00 00 03|"; offset: 28;
depth: 32; 
classtype:attempted-recon; sid:2002068; rev:8;)

So within this there are reference urls that I would like to turn into
links so that when they are rendered they can be clicked on.

Using preg_match and this pattern I can get the refs:

$pattern = '\reference:url,([^;]+;)\';

which gives me:

$matches[0] = www.ndmp.org/download/sdk_v4/draft-skardal-ndmp4-04.txt
$matches[1] = doc.emergingthreats.net/bin/view/Main/2002068

now what I would like to do is replace inline adding "<a href=http://";
. $matches[n] . ">" . $matches[n] . "</a>"

Can this be done or do I need to say loop through matches (there can
be none or many) and do a str_replace.

Thoughts? Other ideas?


Look into preg_replace, with the "e" modifier. It allows you to run php code for every replace.


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