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<?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);
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: preg_match(): Unknown modifier '<' in /in/AKSQU on line 8
Output for 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 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 ( )

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