JSFiddle - React, Tailwind, and code Playground

HTML

<p id="test"></p>

JavaScript

var patt = /h/gi;
var arr = ["", "2Hour", "4Hour", "8Hour", "Next Business Day"];
var test = document.getElementById("test");

for (var i = 0; i < arr.length; i++)
{
    if (patt.test(arr[i])) {
        test.innerHTML += " " + arr[i];
    }
}