JSFiddle - React, Tailwind, and code Playground

by dtracers

JavaScript

var re = /(@Class+)([\W\n\r]|$)/,
    cases = ['@Class',
             '@ClassFree',
             '@Class ',
             '@bug and @another and something'];

console.log('---------------------------------');
for (var i=0; i<cases.length; i++)
{
    console.log(cases[i], ':', re.test(cases[i]), re.exec(cases[i]));
}