Some time spent to try but now i think it works:

<?php
 echo "<pre>";
 $a='datadatadatadata[link1]datadatadata{link2}data[link3]';
// $a='datadata{link1}data[link2]datadatadata{link3}data[link4]';
 $pattern='/((\[)|\{)(.+?)(?(2)\]|\})/';
 echo $a."\n";
 echo $pattern."\n";
 preg_match_all($pattern,$a,$matches,PREG_MATCH_ORDER);
 var_dump($matches);
?>

Produces :
<pre>datadatadatadata[link1]datadatadata{link2}data[link3]
/(\[)|\{(.+?)(?(1)\]|\})/
array(3) {
  [0]=>
  array(3) {
    [0]=>
    string(1) "["
    [1]=>
    string(7) "{link2}"
    [2]=>
    string(1) "["
  }
  [1]=>
  array(3) {
    [0]=>
    string(1) "["
    [1]=>
    string(0) ""
    [2]=>
    string(1) "["
  }
  [2]=>
  array(1) {
    [0]=>
    string(5) "link2"
  }
}

Also works with the commented string.
Explanation : Looking for more than one using preg_match_all. Matching for [ or {, [ 
is in () because at the end we test if we found
[ so we look for ] otherwise { is found so we look for matching }. (?(1) true|false) 
is 1 as a backreference is set so we found [.

Hope this will help you.

Andrey Hristov
IcyGEN Corporation
http://www.icygen.com
99%


----- Original Message -----
From: "Ross Nielsen" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, August 27, 2001 9:42 PM
Subject: [PHP] Regular Expression Problem and PHP 4 (urgent) --- continued


> Well my first solution didn't really work the way I needed it too so here
> goes again...
>
> Data returned from server process looks like following...
>
> Header
> datadatadatadata[link]datadatadata{link}data[link]
> datadata{link}data[link]datadatadata{link}data[link]
> datadatadatadata[link]datadatadata{link}data[link]
> Closer
>
> I need to grep the values between [] and {} to turn them into a links.
> (BTW I need to retain the values for use in JS)
> Any suggestions?
>
> Thanks,
> Ross
>
>
>
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