CNPJ Alfanumérico Lint — validação de CNPJ no código — Licence

Free scope
  Verifica o arquivo aberto (ou o código colado) com todas as regras e mostra cada linha que recusa um CNPJ alfanumérico, com a correção. is free for any use, personal or commercial, for as long as you keep the
  extension installed, and the online check at the product page is free without registration.

Paid scope
  Varre o workspace inteiro de uma vez e exporta um relatório Markdown por arquivo para anexar ao PR ou à auditoria de migração. is the paid part. It asks for a licence key issued at purchase (one seat, one key). The key is checked against the payment provider and
  cached locally for 30 days so it keeps working offline.

Redistribution
  You may not resell, re-host or bundle this extension or its rule set. The rule set and the
  engine are provided as-is; check results are advisory and do not constitute legal advice.

(c) ReadyStack — https://getreadystack.com
