JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/validate.js/0.9.0/validate.js"></script>

JavaScript

console.log(
	'validation result',
	validate.single('', {
  	presence: false,
    format: {
    	pattern: "^.{1,64}$",
      message: 'haha',
    },
  })
);