Using the web, what does putting a caret$(^)$ at the beginning of a character class do$?$ Give an example of its use and explain what your example would do$.$

T F $-$ Python defaults to greedy matching.

T F $-$ The metacharacters $Id$ and $ID$ represent the same character class.

T F $-$ If you use a backreference in your regular expression then all parts of the regular expression have to be in backreferences.

T F $-$ The regular expression repetition $\{2,5\}$ would represent $2,3,$ or $4$ occurences.