title: regex to match any words with spaces with superscript
body: <p>Here is the superscript <code>heyʰ howʱ</code>I am looking for a regular expression that matches any words that are seperated by spaces and have a superscript. I am setting this as a <code>&lt;xs:restriction&gt;</code> in the schema file. I am really new to regex to come up but here is my attempt:</p>
  
  <pre><code>&lt;xs:restriction base='xs:string'&gt;
      &lt;xs:pattern value='(\w)\s+(\w)'/&gt;
  &lt;/xs:restriction&gt;
  </code></pre>