It would be helpful to provide an actual definition of a 'bouncy number' rather than mere examples. More than one possible definition matches the given examples.

No matter what I enter, I get NameError 'sandwiches' not defined.

The grammar in this sentence is awkward, if not incorrect: "Timmy being the top coder he is has allowed some bad code through, you must help Timmy and filter out any injected code!"
It would be better to say: "Timmy, being the top coder he is, has allowed some bad code through. You must help Timmy and filter out any injected code!"

The kata is ambiguous because it is titled "Regex count" but the instruction do not specify that regex should be used. Either the title should be changed or the description should specify that regex should be used.

COMPLETE GARBAGE

The kata does not actually ask or instruct you to do anything. It would be better if it said something like "Write a function that does X."

What is the significance of the ?

This is really rewriting the code from scratch rather than fixing the bugs. Better code, though!

The instructions state "However, if 0 heads and 0 legs are given always return [0, 0] since zero heads must give zero animals." For Python, this is not correct. The test cases require (0,0) not [0,0].

The instructions for this kata are very unclear. They direct the user to sort the list, but it provides no criteria by which they should be sorted. Should it be alphabetical? Reverse alphabetical? By length of the title? The criteria for sorting them should be clearly provided.

I think the suggestion is change the units to metric

These instructions are very unclear. What does this phrase even mean? "stairs with 'I' n tall and n wide"

The implicit suggestions is change the kyu.

3*(1+1)