JSFiddle - React, Tailwind, and code Playground

by Sahin Deniz

JavaScript

const MATCH_LETTER_REGEXP = new RegExp("(\\p{L}|\\d)(\\1{1,})|(?:\\p{L}|\\d)",  "gui");
//let regex = new RegExp(`[EÉĔĚȨḜÊẾỆỀỂỄḘËĖẸȄÈẺȆĒḖḔĘɆẼḚƐƎᴇⱻЕЭЁeéĕěȩḝêếệềểễḙëėẹȅèẻȇēḗḕⱸęᶒɇẽḛɛᶓɘǝₑеэꝪꝫЁёⒺＥⓔｅ]{1,}(?!\\p{L}|[0-9]){0,}[DĎḐḒḊḌƊḎDzDžĐÐƋꝹᴅДƉdďḑḓȡḋḍɗᶑḏᵭᶁđɖƌðꝺдDZDŽⒹＤⓓｄ]{1,}`, "ui");
let str ="Crème Brulée küçüğüne x diyoruzbüyüğüne ne d x+642x+64=214 isex=75büyük sayı 64 fazlaydı. 75+64=139 durKOLAY GELSİN :)";

console.log(str.normalize("NFC"));