Pernicious assumptions! Google Cloud projects have three attributes: user-friendly names, system numbers, and system names. System names are alphanumeric. They

Pernicious assumptions! Google Cloud projects have three attributes: user-friendly names, system numbers, and system names. System names are alphanumeric. They can be chosen by the user, derived from the friendly name if there's no collision. But! There's some system names from the olden days that are actually all numbers - so not actually alpha-and-numeric. Thankfully we don't run into those often.