区别:1.用法不同:regularly: adv.有规律地;经常;间隙均匀地;均匀地;匀称地;固定搭配:keep regular hours 作息有规律 as regular as clockwork 极有规律often: 经常，常常侧重动作发生的次数具有经常性,具体时间意味不强。

例子: It very ~ snows there. = It snows there very ~. 那里常下雪2.侧重不同:regularly的意思是时常,比较正式,强调次数频繁,often也是时常、经常的意思,侧重动作发生的次数具有重复性。例子:I regularly add salt to my meals.I regularly brush my teeth twice a day.