openalias starting with any digit is invalid
![image](https://github.com/monero-project/monero/assets/39800107/e0dcb21b-3101-4b58-9135-dfe19ff72bd4)
![image](https://github.com/monero-project/monero/assets/39800107/80870885-85f7-461a-8c15-41576d718326)
![image](https://github.com/monero-project/monero/assets/39800107/57184aae-6c53-4ce8-a67a-07923a4bd5de)
