正则求助:保留括号部分的内容

需处理的的句子样品
【Actually】 I believed I would work for a few years, get married, stay home and raise a family, so I didn’t think the job I took mattered that much.
Having worked with an experienced 【waitress】 for a few days, I was 【allowed】 to wait tables on my own.
I saw him 【looking at】 his watch and decided, since I was 【not】 busy – my patient didn’t 【turn up】 at the appointed hour, I would examine his wound.
需求:句子其它部分删除,保留【】及内在的单词和原行数:
【Actually】
【waitress】【allowed】
【looking at】【not】【turn up】

emeditor选择提取
【.*?】

谢谢。试过了但是不行。结果括号部分不能保持在原行:
【Actually】
【waitress】
【allowed】
【looking at】
【not】
【turn up】

分成两次吧。
第一次,删去前面的字符。第二次再删去后面字符。
.*?(【.*?】)

(【.*】).*

谢谢!要学python啊。有时间,再玩一把。

非常感谢!!!成了。

([^【】]*)【([^【】]+)】([^【】]+)
【\2】

非常感谢!!!成了,一步到位。

非常感谢您的再次指点!!!成了,一步到位。