]*wp-block-group(\s|")[^>]*>)(\s*]*wp-block-group__inner-container(\s|")[^>]*>)((.|\S|\s)*)/'; if ( ( isset( $block['blockName'] ) && 'core/group' !== $block['blockName'] ) || 1 === preg_match( $group_with_inner_container_regex, $block_content ) ) { return $block_content; } $replace_regex = '/(^\s*]*wp-block-group[^>]*>)(.*)(<\/div>\s*$)/ms'; $updated_content = preg_replace_callback( $replace_regex, array( $this, 'group_block_replace_regex' ), $block_content ); return $updated_content; } /** * Update the block content with inner div. * * @since 3.7.1 * @access public * * @param mixed $matches block content. * * @return string New block content. */ public function group_block_replace_regex( $matches ) { return $matches[1] . '

' . $matches[2] . '

' . $matches[3]; } } /** * Kicking this off by object */ new Astra_Gutenberg();