General Brazilian Portuguese
boa noite galera
Most common usage across Brazil, informal and friendly
Rio de Janeiro
boa noite galera / boa noite rapaziada
Very common, characteristic of Rio slang
São Paulo
boa noite galera / boa noite pessoal
Widely used in casual contexts
Portugal
boa noite a todos / boa noite pessoal
Less commonly used; Portuguese speakers prefer more formal alternatives