Topic: Regular Expressions
Difficulty: Intermediate

Problem

Write a solution for Regular Expressions Exercise #12:

Implement a function solve_regex_12(data) that processes the input according to regular expressions concepts from the curriculum.

Example input: data = [regular expressions_example_12]
Expected: A transformed result demonstrating regular expressions skills.

Constraints

  • Use idiomatic Python 3.10+
  • Handle empty input gracefully
  • Do not mutate input unless specified

Hint

Hint

Review Regular Expressions exercises and the related chapter in the Learning Path. Consider edge cases: empty collections, None, zero, negative numbers.

Test Yourself 

  # Write tests before implementing
assert solve_regex_12([]) is not None  # define expected behavior

Next exercise: Regular Expressions Exercise #13