Python import re

The "re" module in Python stands for Regular Expression. It provides support for regular expressions in Python programming language. The module allows you to work with regular expressions in Python by providing various functions and methods.

Here are some common functions and methods of the "re" module:

1. re.compile(): This function is used to compile a regular expression pattern into a regular expression object.

2. re.search(): This method is used to search a string for a match to a regular expression pattern. It returns a match object if the pattern is found, otherwise it returns None.

3. re.findall(): This method is used to find all occurrences of a regular expression pattern in a string. It returns a list of strings that match the pattern.

4. re.sub(): This method is used to replace all occurrences of a regular expression pattern in a string with a new string.

5. re.split(): This method is used to split a string into a list of substrings using a regular expression pattern as the delimiter.

Overall, the "re" module is a powerful tool for working with regular expressions in Python programming language.