If you work with strings in your Python scripts and you're writing obscure logic to process them, then you need to look into regex in Python. It lets you describe patterns instead of writing ...

Salicylic acid, topical retinoids, and benzoyl peroxide safely remove blackheads at home. Professional treatments may include microdermabrasion or chemical peels. Popping blackheads can cause ...

It uses some of the oldest tricks in the book.