3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = " \begin{verbatim} dupa zbita \end \end{verbatim} I chuj!!! \end{verbatim}"; $str = preg_replace('/\\\\begin\s*\\{verbatim\\}.*\\\\end\s*\\{verbatim\\}/', 'VERBATIM', $str); echo $str;

preferences:
51.25 ms | 402 KiB | 5 Q