$re = '/<tr class=\'(.)\'><td class=\'TR(.)\'><a href=\'http://www\.openstreetmap\.org\/\?mlon=([-\d\.]+)&mlat=([-\d\.]+)&zoom=\d+\' target=\'_blank\'><img src=\'img\/flags\/(\w+)\.gif\' class=\'flag\' width=\'\d+px\' title=\'(.+)\' alt=\'\w+\' border=\'0\'><\/a> <a href=\'router_detail\.php\?FP=([a-zA-Z0-9]+)\' target=\'_blank\'>([^\<]+)<\/a><\/td><td class=\'TDb\'><table cellspacing=\'0\' cellpadding=\'0\' class=\'bwb\'><tr title=\'([^\']+)\'><td class=\'bwr.?\'><img src=\'img/bar/\d+.png\' width=\'\d+px\' height=\'15px\' alt=\'\d+\'></td><td> <small> \d+</small></td></tr></table></td><td class=\'TDc.?\'>([^<]+)</td><td class=\'TDS\'><table class=\'iT\'><tr><td class=\'iT\'>([^\[]+)\[<a class=\'who\' href=\'/cgi\-bin/whois.pl\?ip=[\d\.]+\' target=\'_blank\'>([\d\.]+)</a>\]</td>(<td><img src=\'img/status/Fast.png\' title=\'Fast Server\' alt=\'Fast Server\'></td>)?(<td><img src=\'img/status/Exit.png\' title=\'Exit Server\' alt=\'Exit Server\'></td>)?(<td><img src=\'img/status/Dir.png\' title=\'Directory Server\' alt=\'Directory Server\'></td>)?(<td><img src=\'img/status/Guard.png\' title=\'Guard Server\' alt=\'Guard Server\'></td>)?(<td><img src=\'img/status/Stable.png\' title=\'Stable Server\' alt=\'Stable Server\'></td>)?(<td><img src=\'img/status/Authority.png\' title=\'Authority Server\' alt=\'Authority Server\'/></td>)?<td><img src=\'[^\']+\' title=\'([^\']+)\' alt=\'[^\']+\'></td>(<td><img src=\'[^\']+\' title=\'([^\']*)\' alt=\'[^\']*\'></td>)?</tr></table></td><td class=\'TDc\'>(<b>)?(\d*)(</b>)?</td><td class=\'TDc\'>(<b>)?([None\d]*)(</b>)?</td><td class=\'(F\d)\'></td></tr>/';
$str = '<tr class=\'r\'><td class=\'TRR\'><a href=\'http://www.openstreetmap.org/?mlon=-0.1300&mlat=51.5000&zoom=6\' target=\'_blank\'><img src=\'img/flags/gb.gif\' class=\'flag\' width=\'18px\' title=\'//GB\' alt=\'GB\' border=\'0\'></a> <a href=\'router_detail.php?FP=dc358f29426fb682f96f37fb4f3538edbb94b3d4\' target=\'_blank\'>czu5kXA8zLE0</a></td><td class=\'TDb\'><table cellspacing=\'0\' cellpadding=\'0\' class=\'bwb\'><tr title=\'817 KBs\'><td class=\'bwr\'><img src=\'img/bar/1.png\' width=\'69px\' height=\'15px\' alt=\'817\'></td><td> <small> 817</small></td></tr></table></td><td class=\'TDcb\'>3 d</td><td class=\'TDS\'><table class=\'iT\'><tr><td class=\'iT\'>212.38.166.231 [<a class=\'who\' href=\'/cgi-bin/whois.pl?ip=212.38.166.231\' target=\'_blank\'>212.38.166.231</a>]</td><td><img src=\'img/status/Fast.png\' title=\'Fast Server\' alt=\'Fast Server\'></td><td><img src=\'img/status/Exit.png\' title=\'Exit Server\' alt=\'Exit Server\'></td><td><img src=\'img/status/Dir.png\' title=\'Directory Server\' alt=\'Directory Server\'></td><td><img src=\'img/status/Guard.png\' title=\'Guard Server\' alt=\'Guard Server\'></td><td><img src=\'img/status/Stable.png\' title=\'Stable Server\' alt=\'Stable Server\'></td><td><img src=\'img/os-icons/Linux.png\' title=\'Tor 0.2.4.22 on Linux\' alt=\'Tor 0.2.4.22 on Linux\'></td></tr></table></td><td class=\'TDc\'>9001</td><td class=\'TDc\'>9030</td><td class=\'F0\'></td></tr>
<tr class=\'r\'><td class=\'TRr\'><a href=\'http://www.openstreetmap.org/?mlon=-93.3084&mlat=37.2999&zoom=6\' target=\'_blank\'><img src=\'img/flags/us.gif\' class=\'flag\' width=\'18px\' title=\'Springfield/Missouri/US\' alt=\'US\' border=\'0\'></a> <a href=\'router_detail.php?FP=643b8a73713e2e948c5e3359d5bf5e4c8249aee2\' target=\'_blank\'>d00dstor</a></td><td class=\'TDb\'><table cellspacing=\'0\' cellpadding=\'0\' class=\'bwb\'><tr title=\'2 KBs\'><td class=\'bwr\'><img src=\'img/bar/1.png\' width=\'1px\' height=\'15px\' alt=\'2\'></td><td> <small> 2</small></td></tr></table></td><td class=\'TDc\'>13 h</td><td class=\'TDS\'><table class=\'iT\'><tr><td class=\'iT\'>173-18-211-201.client.mchsi.com [<a class=\'who\' href=\'/cgi-bin/whois.pl?ip=173.18.211.201\' target=\'_blank\'>173.18.211.201</a>]</td><td><img src=\'img/status/Dir.png\' title=\'Directory Server\' alt=\'Directory Server\'></td><td><img src=\'img/os-icons/Linux.png\' title=\'Tor 0.2.4.22 on Linux\' alt=\'Tor 0.2.4.22 on Linux\'></td></tr></table></td><td class=\'TDc\'>9001</td><td class=\'TDc\'>9030</td><td class=\'F0\'></td></tr>
<tr class=\'r\'><td class=\'TRr\'><a href=\'http://www.openstreetmap.org/?mlon=15.5000&mlat=49.7500&zoom=6\' target=\'_blank\'><img src=\'img/flags/cz.gif\' class=\'flag\' width=\'18px\' title=\'//CZ\' alt=\'CZ\' border=\'0\'></a> <a href=\'router_detail.php?FP=fb2b4193f34aaa980d0e8c6ec2aa71417525f4b5\' target=\'_blank\'>d1n</a></td><td class=\'TDb\'><table cellspacing=\'0\' cellpadding=\'0\' class=\'bwb\'><tr title=\'1780 KBs\'><td class=\'bwr1\'><img src=\'img/bar/2.png\' width=\'66px\' height=\'15px\' alt=\'1780\'></td><td> <small> 1780</small></td></tr></table></td><td class=\'TDcb\'>2 d</td><td class=\'TDS\'><table class=\'iT\'><tr><td class=\'iT\'>185.8.237.27 [<a class=\'who\' href=\'/cgi-bin/whois.pl?ip=185.8.237.27\' target=\'_blank\'>185.8.237.27</a>]</td><td><img src=\'img/status/Fast.png\' title=\'Fast Server\' alt=\'Fast Server\'></td><td><img src=\'img/status/Dir.png\' title=\'Directory Server\' alt=\'Directory Server\'></td><td><img src=\'img/status/Guard.png\' title=\'Guard Server\' alt=\'Guard Server\'></td><td><img src=\'img/status/Stable.png\' title=\'Stable Server\' alt=\'Stable Server\'></td><td><img src=\'img/os-icons/Linux.png\' title=\'Tor 0.2.4.22 on Linux\' alt=\'Tor 0.2.4.22 on Linux\'></td></tr></table></td><td class=\'TDc\'>9001</td><td class=\'TDc\'>9030</td><td class=\'F0\'></td></tr>
<tr class=\'r\'><td class=\'TRR\'><a href=\'http://www.openstreetmap.org/?mlon=4.9167&mlat=52.3500&zoom=6\' target=\'_blank\'><img src=\'img/flags/nl.gif\' class=\'flag\' width=\'18px\' title=\'Amsterdam/Noord-Holland/NL\' alt=\'NL\' border=\'0\'></a> <a href=\'router_detail.php?FP=6ef897645b79b6cb35e853b32506375014de3621\' target=\'_blank\'>d6relay</a></td><td class=\'TDb\'><table cellspacing=\'0\' cellpadding=\'0\' class=\'bwb\'><tr title=\'383 KBs\'><td class=\'bwr\'><img src=\'img/bar/1.png\' width=\'32px\' height=\'15px\' alt=\'383\'></td><td> <small> 383</small></td></tr></table></td><td class=\'TDcb\'>22 d</td><td class=\'TDS\'><table class=\'iT\'><tr><td class=\'iT\'>charles.d6.nl [<a class=\'who\' href=\'/cgi-bin/whois.pl?ip=82.161.239.177\' target=\'_blank\'>82.161.239.177</a>]</td><td><img src=\'img/status/Fast.png\' title=\'Fast Server\' alt=\'Fast Server\'></td><td><img src=\'img/status/Dir.png\' title=\'Directory Server\' alt=\'Directory Server\'></td><td><img src=\'img/status/Guard.png\' title=\'Guard Server\' alt=\'Guard Server\'></td><td><img src=\'img/status/Stable.png\' title=\'Stable Server\' alt=\'Stable Server\'></td><td><img src=\'img/os-icons/Linux.png\' title=\'Tor 0.2.4.22 on Linux\' alt=\'Tor 0.2.4.22 on Linux\'></td></tr></table></td><td class=\'TDc\'>110</td><td class=\'TDc\'><b>80</b></td><td class=\'F0\'></td></tr>
';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php