code: func validateKubeFinalizerName(stringValue string, fldPath *field.Path) field.ErrorList {
  	allErrs := field.ErrorList{}
  	if len(strings.Split(stringValue, "/")) == 1 {
  		if !helper.IsStandardFinalizerName(stringValue) {
  			return append(allErrs, field.Invalid(fldPath, stringValue, "name is neither a standard finalizer name nor is it fully qualified"))
  		}
  	}
  
  	return allErrs
  }
docs: // validateKubeFinalizerName checks for "standard" names of legacy finalizer