JSFiddle - React, Tailwind, and code Playground

JavaScript

var text = '1Fcn7M1AjgA9RFPm59RqiTCCD6tKKS5vN9';

if (text.length < 25 || text.match(/[^123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]+/g)) {
    alert('error');
} else {
    alert('correct');
}