Check if a text string contains text or similar text

Question

I have an interesting problem:

I have a fairly large paragraph of text, and I want to check if the paragraph contains certain phrases. Now, direct matching is not allowed as I want to know whether the paragraph contains the phrases OR similar phrases, e.g. if I have a privacy policy document, and I want to check if the document mentions anything about "tracking cookies", how will I go about this?

I am doing it in Python.

Answer 1

You could build a regular expression that captures multiple variants of the string "tracking cookies". For example, a regex that captures:

tracking cookies
cookie trackers
Cookies
cookie
tracker cookie
Tracking Cookies
.
.
.
etc.

Then, every time you encounter a new variant of your string, you can add it to the regular expression.