# Import the re module
import re
# Simple regex example: find all words starting with 'hello'
print(re.findall(r'\bhello\w*', 'hello world, hello again'))
# Advanced regex example: find all numbers in a string
print(re.findall(r'\d+', '123 456 7890'))
Now that you've mastered the basics, move on to the next chapter for even more advanced techniques!
Or, if you're feeling bold, jump straight into Regular Expressions Advanced for a real challenge.
But don't say we didn't warn you...