re_compile              Create a regular expression object with
                        specific flags
re_contains             Check if string contains a regular expression
re_escape               Escape special characters
re_findall              Extract all occurrences of a pattern in a
                        string
re_fullmatch            Match a pattern against the entire string
re_match                Match a pattern at the start of a string
re_search               Search for a pattern in a string
re_split                Split a string by a regular expression pattern
re_sub                  Substitute occurrences of a pattern in a string
