<?php
// your code goes here
$html = '<tr class="a"><td class="b">1</td><td class="c">1</td><td class="d"><a href="test1">test1</a></td><td class="e">1</td><td class="f"><a href="test1">test1</a></td></tr><tr class="a"><td class="b">2</td><td class="c">2</td><td class="d"><a href="test2">test2</a></td><td class="e">2</td><td class="f"><a href="test2">test2</a></td></tr><tr class="a"><td class="b">3</td><td class="c">3</td><td class="d"><a href="test3">test3</a></td><td class="e">3</td><td class="f"><a href="test3">test3</a></td></tr>';
preg_match_all('@<tr.*><td.*>(.*)<\/td><td.*>(.*)<\/td><td.*>(<a.*>.*<\/a>)<\/td><td.*>(.*)<\/td><td.*>(<a.*>.*<\/a>)<\/td><\/tr>@U', $html, $matches);
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