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Remodule of python built-in module

What is a rule? A regular expression, also known as a regular expression, is a special sequence of characters that helps check whether a string matches a pattern.Can be used for authentication: mailbox, mobile number, qq number, password, url =website address, ip, etc.Regular is not a unique technology for python. The Python language does not organize/incorporate regular expressions into the re module until version 1.5. All we need to...