JSFiddle - React, Tailwind, and code Playground

JavaScript

function splitTime(str) {

	var array = str.split('/:|am|AM|pm|PM/g');
  // var array = str.split('/\:|am|AM|pm|PM/g');
  
  alert("[0]: " + array[0] + " [1]: " + array[1] + " [2]: " + array[2]);

}

splitTime('12:20am');
splitTime('00:20am');
splitTime('4:00PM');
splitTime('14:30am');