Scuff Regex

function inject_separators( $pagedata = '' )
{
    $pagedata =
    preg_replace(
        '/=== (?<scuff>[\w\h\p{P}\p{Sm}]*) ===/m',

        '<span style="background-image:url(./site data/art/separators/Green Oil Scuff.png);bgcolor:rgba(0,0,0,0.3);">'.
        '--&gt;${1}&lt;--'.
        '</span>',

        $pagedata
    );

    return $pagedata;
}