/* Spinal Case Function for FreeCodeCamp's Javascript Algorithms and Data Structures
Convert a string to spinal case. Spinal case is all-lowercase-words-joined-by-dashes.
*/

function spinalCase(str) {
  let newArr = str.match(/[A-Za-z]{1}[a-z]*|\s[a-z]+/g); //Match all words
  return newArr.join("-").replace(/\s/g, '').toLowerCase(); //join matched words with '-', delete spaces and convert all to lower case
}

spinalCase('This Is Spinal Tap'); //returns "this-is-a-spinal-tap"