How to: Validations
*Libraries and implementations for validation of data.*

* [bankster](https://github.com/railsmechanic/bankster) - A IBAN account number and BIC validation library for Elixir.
* [ex_gtin](https://github.com/kickinespresso/ex_gtin) - A validation library for GTIN codes under GS1 specification.
* [ex_nric](https://github.com/falti/ex_nric) - Validation for Singapore National Registration Identity Card numbers (NRIC).
* [exop](https://github.com/madeinussr/exop) - A library that allows to encapsulate business logic and validate params with predefined contract.
* [form](https://github.com/synrc/form) - Document forms and validation library.
* [goal](https://github.com/martinthenth/goal) - A parameter validation library for LiveViews and JSON/HTML controllers - based on Ecto.
* [is](https://github.com/bydooweedoo/is) - Fast, extensible and easy to use data structure validation for elixir with nested structures support.
* [jeaux](https://github.com/zbarnes757/jeaux) - A light and easy schema validator.
* [optimal](https://github.com/albert-io/optimal) - A schema based keyword list option validator.
* [shape](https://github.com/prio/shape) - A data validation library for Elixir based on Prismatic Scheme.
* [skooma](https://github.com/bcoop713/skooma) - Simple data validation library for describing and validating data structures.
* [to_atom_in](https://github.com/JohnJocoo/to_atom_in) - Utility to safely convert string an atom in set.
* [uk_postcode](https://github.com/KushalP/uk_postcode) - UK postcode parsing and validation library.
* [vex](https://github.com/CargoSense/vex) - An extensible data validation library for Elixir.