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validator
:100:Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving
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uuid
Go package for UUIDs based on RFC 4122 and DCE 1.1: Authentication and Security Services. (by google)
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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We will take a look at package go-playground/validator v10, which is almost the number one choice for such problems in Go.
So, we have a field with type uuid.UUID which we create with the package google/uuid, which we want to check with the built-in validator uuid.Parse() of that package. All we need to do is add a new RegisterValidation method to the NewValidator function (described above) with simple logic code:
Furthermore, in the example below, I took code from my project written using the Fiber web framework. So, some elements from its libraries are present there. Don't be scared, the main thing here is to understand the principle of validation itself.