DIY: Expressive words
Explore how to implement a function to count stretchy words relative to a given string. Understand the rules of character group extensions and apply this knowledge to solve interview problems involving string manipulation.
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We'll cover the following...
Problem statement
Given a string, S, and an array of words, return the number of words that are stretchy.
A word in words is stretchy with respect to S if S can be derived by extending the letters of the word. Here is the extend rule:
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