3v4l.org

run code in 300+ PHP versions simultaneously
<?php $html_string = '<!DOCTYPE html> <html> <body> <div id="foo"> This is a paragraph with <strong>Some nested tags</strong> </div> <div class="test" id="bar"> <div> And a nested div? </div> </div> <div class="baz test"> <p> Pretty normal HTML. </p> </div> </body> </html>'; $regex = '/<div[^>]*?(class="(.+?)"[^>]*)?>((?:.*?(?:(?!<div)|(?R))*)*)' . '<\/div>/sm'; if (preg_match_all($regex, $html_string, $matches))) { var_dump($matches); }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.31
Parse error: syntax error, unexpected ')' in /in/LkJAv on line 28
Process exited with code 255.

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