QRegExp rx(QString("[%1%2][%1%2\\d-]*").arg(letter, special));
ui.nickEdit->setValidator(new QRegExpValidator(rx, ui.nickEdit));
if (old.isEmpty()) {
QRegExp rx(QString("[%1%2][%1%2\\d-]*").arg(letter, special));
ui.nickEdit->setValidator(new QRegExpValidator(rx, ui.nickEdit));
if (old.isEmpty()) {