title: Receive a string and verify if it is a valid date with date-fns
body: <p>I just want to validate if the string that i received is a valid date using date-fns.
  I gonna receive a date like this '29/10/1989', BR date.
  I want to transform it into 29-10-1989 and check if its valid.
  Anyone can help me with this?</p>
  <pre><code>const parsedDate = parseISO('29/10/1989')
  </code></pre>
  <p>this code above doesnt work, i got 'Invalid Date'</p>