https://en.wikipedia.org/wiki/ISO_3166-1#Current_codes

Simple matcher for syslog RFC 5424

Simple matcher for syslog format FRC 3164

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

Checks if url is valid for node api

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

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

only valid chars

It checks whether the Github Profile URL is valid.