JSFiddle - React, Tailwind, and code Playground
JavaScript
var str = '<li title="name">Text:text</li>';
var name = 'name';
var a = new RegExp("<li title=\"" + name + "\">[a-z, a-z:\d]+</li>", 'i');
alert(a.test(str));
var str = '<li title="name">Text:text</li>';
var name = 'name';
var a = new RegExp("<li title=\"" + name + "\">[a-z, a-z:\d]+</li>", 'i');
alert(a.test(str));