おう数字 すうじ英数字 えうすうじ集合 しゅうごうであれば
ō sūjieusūji shūgōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 欧数字英数字集合

1. If it is a set of alphanumeric characters.; If it consists of alphanumeric characters.

Ba Conditional
Computing