Regex Tester & Validator

This regex matches a specific sequence of 41 characters: 1 digit, 7 digits, 8 digits, 8 digits, 6 word characters, and 11 digits. It is intended to parse or validate the structure of a Barueri electronic invoice (NFe) key or barcode, capturing each component in separate groups. Useful for extracting segments from municipal tax document numbers and performing format checks.