JSFiddle - React, Tailwind, and code Playground
by thvinic
HTML
<input type="text" id="valor" value="1R,2b,3c">
<input type="button" id="reml" value="Remover cracteres" onclick="limparsimbol()">
JavaScript
setTimeout(function limparsimbolo() {
var input = document.getElementById('valor')
input.value = input.value.replace(/[!$(){}[\]:;R<+?\\>]/g,'')
}, 4000)