JSFiddle - React, Tailwind, and code Playground

HTML

<div id="result">
</div>

JavaScript

let string = "fact-tab-1 extra stuff you dont care about"

let matchResult = string.match(/fact-tab-./);

console.log(matchResult)

console.log('The extracted part would be : ' + matchResult[0])
document.getElementById('result').innerHTML = 'The extracted part would be : ' + matchResult[0];