// define a regexp for valid nicknames
// TODO: add max nicklength according to ISUPPORT
QString letter = "A-Za-z";
- QString special = "\x5b-\x60\x7b-\x7d";
+ QString special = R"([-`{-})";
QRegExp rx(QString("[%1%2][%1%2\\d-]*").arg(letter, special));
ui.nickEdit->setValidator(new QRegExpValidator(rx, ui.nickEdit));
if (old.isEmpty()) {