JSFiddle - React, Tailwind, and code Playground
HTML
<form action="https://posttestserver.com/post.php" method="post">
<input type="text" pattern="(0|([7-8]{1}[0-9]{1})|9[0-4]{1})" value="0" required>
<input type="submit"/>
</form>
<form action="https://posttestserver.com/post.php" method="post">
<input type="text" pattern="(0|([7-8]{1}[0-9]{1})|9[0-4]{1})" value="0" required>
<input type="submit"/>
</form>