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run code in 300+ PHP versions simultaneously
<?php $re = '/(text)(?!<\/a>)/m'; $str = 'this is sample text about something what is text. this is sample <a href=\'somelink.php\'>text</a> about something what is <a href=\'somelink.php\'>text</a>.'; $subst = '<a href=\'somelink.php\'>$1</a>'; $result = preg_replace($re, $subst, $str); echo $result;
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
this is sample <a href='somelink.php'>text</a> about something what is <a href='somelink.php'>text</a>. this is sample <a href='somelink.php'>text</a> about something what is <a href='somelink.php'>text</a>.

preferences:
174.09 ms | 408 KiB | 5 Q