Most used word in a string

Given the provided block of text, from Alice in Wonderland (string) write a function that accepts the text (string).
The function should return an array of objects with the top 3 most used words and the counts.
Display the top 3 words and their counts.
Consider only letters and numbers and filter out any special characters.

Example:
Input: "Hello GoodBye Hello Hello Seeya GoodBye Hello GoodBye Seeya`"
Returns: [ {word: 'hello', count: 4}, {word: 'goodbye', count: 3}, {word: 'seeya', count: 2} ]

Extra Credit: Filter out stop words using the stop list provided. Stop words are words that do not provide any useful information to infer content or nature.