Sample for Belatrix: Please, copy the code below and paste within chrome dev tools console to show result.

Sort and show.js

let raw = [
	"01 Lima / / ",
	"01 Lima / 50 Lima / ",
	"01 Lima / 51 Barranca / ",
	"01 Lima / 50 Lima / 202 La Molina",
	"01 Lima / 50 Lima / 203 San Isidro",
	"02 Arequipa / / ",
	"02 Arequipa / 63 Arequipa / ",
	"02 Arequipa / 64 Caylloma / ",
	"02 Arequipa / 63 Arequipa / 267 Cercado"
];	

let newItems = [];

raw.map((line, key) => {
	let items = line.split(/( [\d]+ |[\d]+|\/)/);
	const cleanItems = items.filter((item) => item != '' && item != '/');
	newItems.push(cleanItems);
});

console.table(newItems);