public function fix($content, StateBag $stateBag = null) { $content = preg_replace('@(?<=[0-9 ]|^)-(?=[0-9 ]|$)@', Fixer::NDASH, $content); $content = preg_replace('@ ?-- ?([^-]|$)@s', Fixer::MDASH . '$1', $content); return $content; }