AQA 7517 4.4.2.3: Regular expressions
The free BugBot lesson that teach this point, a robot to try it on, and the past-paper questions that test it.
Lessons that teach it
- A6.4 Regular expressions and regular languages Theory of computation
The metacharacters, matching in Python, the link between regexes and FSMs, and what makes a language regular.
Try it on a robot
The task from A6.4 Regular expressions and regular languages, running here. Change the program and press Run.
The specification is AQA's own document; this page says which of our lessons teach point 4.4.2.3 and is not endorsed by the board.