Yep. It can be hyperparameters ("knobs to tweak" as eanzenberg puts it) but regularization is also often used in a regression context where regularization eithe

Yep. It can be hyperparameters ("knobs to tweak" as eanzenberg puts it) but regularization is also often used in a regression context where regularization either pulls parameter estimates for features towards 0 or just kicks out features altogether.