［どうぞ］よろしく［お願いします］。
[dōzo] yoroshiku [onegaishimasu].
Pleased to meet you. (lit. Please be nice to me. Usually used at the end of a self-introduction.)
Example sentences
あの方にくれぐれもよろしく。
Give him my best regards.
Sentences from Tatoeba.org (CC-BY 2.0)