title: Fastest way to find first uppercase character in a string
body: <p>Suppose you have this string:</p>
  
  <p><code>hiThere</code></p>
  
  <p>What is the fastest way to find where the first upper case character is? (<code>T</code> in this example)</p>
  
  <p>I am worried about performance as some words are quite long.</p>