Online PHP editor | output for 9oIpv

<?php $re = '/(.*?)(\[\w{3}=\')(\w+\.\w+)(\'\])(.*?)(\[\w{3}=\')(\w+\.\w+).*/s'; $str = 'Hello, view this pdf [PDF=\'hello.pdf\'] and then view this PDF [PDF=\'goodmorning.pdf\']'; $subst = '$1 <object data="https://myurl.com/media/$3" class="pdf-shortcode-iframe" type="application/pdf"> <iframe class="pdf-shortcode-iframe" src="https://docs.google.com/viewer?url=https://myurl.com/media/$3&embedded=true"></iframe> </object>$5 <object data="https://myurl.com/media/$7" class="pdf-shortcode-iframe" type="application/pdf"> <iframe class="pdf-shortcode-iframe" src="https://docs.google.com/viewer?url=https://myurl.com/media/$3&embedded=true"></iframe> </object>'; $result = preg_replace($re, $subst, $str); echo $result;