freeCodeCamp Intermediate Algorithm Scripting: Spinal Tap Case

spinalCase.js

// Convert a string to spinal case. Spinal case is all-lowercase-words-joined-by-dashes.

function spinalCase(str) {
  // "It's such a fine line between stupid, and clever."
  // --David St. Hubbins
  return str.split(/\s|_|(?=[A-Z])/).join("-").toLowerCase();
}

spinalCase('This Is Spinal Tap');