On 23.1 we are Unable to create alias starting with single leter followed by _

[gyterpena]

Hello

After upgrade to 23.1.1_2 we are unable to create alias starting with single leter/number followed by _
Example H_SOME_HOST 9_SOMETHING. Using HH_SOMETHING or 99_SOMETHING works.

Update: This is fixed by

opnsense-patch 05b48c1

[franco]

https://twitter.com/opnsense/status/1628843345626779655