如果我理解正确，你想要 %s/shop_\(.*\)/shop_\1 wp_\1/

If I understand correctly, you want %s/shop_\(.*\)/shop_\1 wp_\1/

转义捕获括号并使用 .* 匹配任意数量的任意字符.

Escape the capturing parenthesis and use .* to match any number of any character.

(您的搜索正在搜索shop_"，后跟任意数量的左括号，后跟右括号)

(Your search is searching for "shop_" followed by any number of opening parentheses followed by a closing parenthesis)