re

compile	Compiles a regular expression pattern for reuse
match	Determines if the regex matches at the start of a string
search	Searches for a pattern match anywhere in the string
findall	Finds all non-overlapping matches in a string
sub	Replaces matches with a specified string

compile Compiles a regular expression pattern for reuse
match Determines if the regex matches at the start of a string
search Searches for a pattern match anywhere in the string
findall Finds all non-overlapping matches in a string
sub Replaces matches with a specified string