JSFiddle - React, Tailwind, and code Playground

by franklinjavier

JavaScript

var str = '<span style="font-weight:bold;">te<span style="text-decoration:line-through; font-style:italic;">x</span>to</span>';

str = str
        .replace(/<span.*?">/gi, '<b>')
        .replace(/<.span>/gi, '</b>');

console.log( str );
alert( str );