CODE EXAMPLE FOR JAVASCRIPT

js replace diacritics

// this will keep symbols
console.log( "âîÂșț12@.".normalize('NFD').replace(/[u0300-u036f]/g, "") );
//output: aiAst12@.

console.log( "âîÂșț12@.".normalize('NFKD').replace(/[^w]/g, '') );
// output: aiAst12