JSFiddle - React, Tailwind, and code Playground

JavaScript

var m = 'hi (hi)'
var n = 'hi'
var y = 'hi \\(hi\\)'
var z = 'hi'

if (m.match(y)) {
   alert('yes');
} else {
    alert('no');
}
if (n.match(z)) {
    alert('yes');
} else {
    alert('no');
}