curl --request GET \
--url https://api.example.com/v1/regex/pattern/ipv4 \
--header 'X-API-Key: <api-key>'Get regex pattern for IPv4 address validation.
curl --request GET \
--url https://api.example.com/v1/regex/pattern/ipv4 \
--header 'X-API-Key: <api-key>'Successful Response