It checks whether the Github Profile URL is valid.

only valid chars

break the code to first opening parenthesis and then closing use the groups individually not entirely . This is 40% correct online pattern but mixing it with first open then close groups in two different matches result in 100% success

verify if a string can be use in a username pattern for my project

Checks if url is valid for node api

Extract address parts from a Brazil Addressess (Logradouro/Street, Numero/Number, Complemento/Complement, Bairro/Neighborhood, Cidade/City, Estado/State)