3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $text = 'Example Stack'; $text = preg_replace('/(\b[a-z])/i','<span style="color:blue;">\1</span>',$text); echo $text; ?>
based on bfUOj
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
<span style="color:blue;">E</span>xample <span style="color:blue;">S</span>tack