use part 6

regex that identifies music notes written with A, B, ..., A#, C#, ... Ab, Bb, ... notation.

This is a input regex for invaliding inputs that are likely to be scripts. this is a way to hidder xss attacks on your web application and api.

A regex for the brazilian document named of CNPJ (Cadastro Nacional de Pessoa Jurídica)

A regex for brazilian telephones

This looks to attempt to validate email addresses per the RFC. I don't know how accurate it is.

Matches a string if it contains any of the valid FFN genres.

ELB log parser

"dot matches newline" must be activated. Search and replace by "" (empty string) removes duplicate lines anywhere in text. Example for Notepad++ use shown under http://stackoverflow.com/questions/3958350/removing-duplicate-rows-in-notepad