Exercism JS: Word Count

Write a program that given a phrase can count the occurrences of each word in that phrase.

For example for the input "olly olly in come free"

olly: 2
in: 1
come: 1
free: 1

Solution in JS: 


I’ve done this problem before in Ruby and it was a breeze.  However, this version in JS was a bit harder because there are more test cases to account for, which was where regex came in.

Exercism JS: Word Count

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