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run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = '<tr class="odd"> <td>姓名:张三</td> <td>年龄:29</td> </tr>'; $patt = '/<tr\s+(?:(?!>\s+<td>姓名:)(?:.|\n))+>\s+<td>姓名:((?:(?!</td>\s+<td>年龄:)(?:.|\n))+)</td>\s+<td>年龄:((?:(?!</td>\s+</tr>)(?:.|\n))+)</td>\s+</tr>/'; preg_match($str, $patt, $match); print_r($match);
based on FZVo4
Output for 5.2.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): Unknown modifier '<' in /in/AKSQU on line 8
Output for hhvm-3.12.0
Warning: Unknown modifier '<': [<tr class="odd"> <td>姓名:张三</td> <td>年龄:29</td> </tr>] in /in/AKSQU on line 8
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.11 - 5.1.6
Warning: preg_match(): Unknown modifier '<' in /in/AKSQU on line 8 Array ( )
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '<' in /in/AKSQU on line 8 Array ( )