JSFiddle - React, Tailwind, and code Playground

JavaScript

var str= '<a href="test">luckyy1<a>born on october 21, 1986 <a href="test">sdf2<a> born on september 22, 1985 <a href="test">erere<a> born on November 23, 1984';
str = $("<div/>").html(str).text();
str = str.replace(/,?/g, '').replace(/born on /g, '').split(' ').join('+')

alert(str)