ブロガー　移行

//コンテンツ内のブロガー画像へのリンクをとる正規表現
add_filter( 'the_content', 'attachment_image_link_remove_filter' );
    function attachment_image_link_remove_filter( $content ) { 
        $content = 
        preg_replace(
        array('{<a(.*?)(blogspot)[^>]*><img}', 
        '{ *" /></a>}'), 
        array('<img','" />'), 
        $content
    );
    return $content; 
}

https://qiita.com/katsukii/items/1c1550f064b4686c04d4
https://msdn.microsoft.com/ja-jp/library/cc392020.aspx
https://qiita.com/honeydaisuki/items/d2a38cef1b95fd347fa4

https://qiita.com/potetopote_/items/6bb809db8f93803991cc