I mean when there is a mask it won’t allow empty values by default. You should explicitly allow them if you need.
Search for regex mask for some samples. Custom fields for UK Postcode config also contains some sample regex masks.
I mean when there is a mask it won’t allow empty values by default. You should explicitly allow them if you need.
Search for regex mask for some samples. Custom fields for UK Postcode config also contains some sample regex masks.