3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'ciao </container> e <container tipo="autore"> ciao </container>'; $string = preg_replace('/(\s)?([^\>\s]+)(\s?\<container tipo="autore"\>)/', '\1<autore-sep>\2</autore-sep>\3', $x); echo $string;

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50.82 ms | 402 KiB | 5 Q