changeAlias.js

function changeAlias( alias ) {
    if( !alias instanceof String ) return "";
    return alias
            .replace(/À|Á|Ạ|Ả|Ã|Â|Ầ|Ấ|Ậ|Ẩ|Ẫ|Ă|Ằ|Ắ|Ặ|Ẳ|Ẵ/g, "A")
            .replace(/È|É|Ẹ|Ẻ|Ẽ|Ê|Ề|Ế|Ệ|Ể|Ễ/g, "E")
            .replace(/Ì|Í|Ị|Ỉ|Ĩ/g, "I")
            .replace(/Ò|Ó|Ọ|Ỏ|Õ|Ô|Ồ|Ố|Ộ|Ổ|Ỗ|Ơ|Ờ|Ớ|Ợ|Ở|Ỡ/g, "O")
            .replace(/Ù|Ú|Ụ|Ủ|Ũ|Ư|Ừ|Ứ|Ự|Ử|Ữ/g, "U")
            .replace(/Ỳ|Ý|Ỵ|Ỷ|Ỹ/g, "Y")
            .replace(/Đ/g, "D")
            .replace(/à|á|ạ|ả|ã|â|ầ|ấ|ậ|ẩ|ẫ|ă|ằ|ắ|ặ|ẳ|ẵ/g, "a")
            .replace(/è|é|ẹ|ẻ|ẽ|ê|ề|ế|ệ|ể|ễ/g, "e")
            .replace(/ì|í|ị|ỉ|ĩ/g, "i")
            .replace(/ò|ó|ọ|ỏ|õ|ô|ồ|ố|ộ|ổ|ỗ|ơ|ờ|ớ|ợ|ở|ỡ/g, "o")
            .replace(/ù|ú|ụ|ủ|ũ|ư|ừ|ứ|ự|ử|ữ/g, "u")
            .replace(/ỳ|ý|ỵ|ỷ|ỹ/g, "y")
            .replace(/đ/g, "d");
}