JSFiddle - React, Tailwind, and code Playground
JavaScript
var str = '00000-001->22222-222';
var limpa = str.replace(/\-([^>])/g, '$1');
console.log(limpa); // dá 00000001->22222222
var str = '00000-001->22222-222';
var limpa = str.replace(/\-([^>])/g, '$1');
console.log(limpa); // dá 00000001->22222222