ddev snapshot --name="with spaces"
Failed to snapshot d11: invalid snapshot name 'with spaces': it may only contain letters, numbers, hyphens, periods, and underscores

ddev snapshot --name="single'quotes"
Failed to snapshot d11: invalid snapshot name 'single'quotes': it may only contain letters, numbers, hyphens, periods, and underscores

ddev snapshot --name="double\"quotes"
Failed to snapshot d11: invalid snapshot name 'double"quotes': it may only contain letters, numbers, hyphens, periods, and underscores

ddev snapshot --name="my_snapshot-123-test.name"
Creating database snapshot my_snapshot-123-test.name
Created database snapshot my_snapshot-123-test.name 
Restore this snapshot with 'ddev snapshot restore my_snapshot-123-test.name'