YOU SAID:
I am full of beans and have little to no regret
INTO JAPANESE
私は元気いっぱいと no に少しの後悔をしています。
BACK INTO ENGLISH
I was peppy and no with a little regret.
INTO JAPANESE
元気いっぱいだったし、ないと少し後悔します。
BACK INTO ENGLISH
Well was filled with no little regret.
INTO JAPANESE
少し後悔に満ちていた。
BACK INTO ENGLISH
Little was filled with regret.
INTO JAPANESE
少しは後悔でいっぱいでした。
it is unlikely that this phrase will ever reach equilibrium