JSFiddle - React, Tailwind, and code Playground

by Lazaro Contreras

HTML

<text>123 lazaro 4<br> 124 claudia 10</text>

JavaScript

var r = document.querySelector('text').innerText.split("\n").filter((l)=> l.includes("123")).join().split(" ")
if(r != ''){
console.log(r)
}else{
console.log("1")
}