Try selecting some of the “original” or “modified” text below, or editing the code block!

import BiString, * as bistring from "bistring";

let s = (function() {
let s = new BiString("𝕿𝖍𝖊 𝖖𝖚𝖎𝖈𝖐, 𝖇𝖗𝖔𝖜𝖓 🦊 𝖏𝖚𝖒𝖕𝖘 𝖔𝖛𝖊𝖗 𝖙𝖍𝖊 𝖑𝖆𝖟𝖞 🐶");
s = s.normalize("NFKD");
s = s.toLowerCase();
s = s.replace("🦊", "fox");
s = s.replace("🐶", "dog");
s = s.replace(/[^\w\s]+/g, "");
return s;
})();

s.original == "𝕿𝖍𝖊 𝖖𝖚𝖎𝖈𝖐, 𝖇𝖗𝖔𝖜𝖓 🦊 𝖏𝖚𝖒𝖕𝖘 𝖔𝖛𝖊𝖗 𝖙𝖍𝖊 𝖑𝖆𝖟𝖞 🐶"

s.modified == "the quick brown fox jumps over the lazy dog"