Control + ] or Control + [ is frequently the escape character, although not always. You can usually type it with Control + some key right of P. In the Swedish

Control + ] or Control + [ is frequently the escape character, although not always. You can usually type it with Control + some key right of P. In the Swedish keyboard, use Control + å, German is Control + ü. But it does vary wildly, French is Control + 6, Hungarian is Control + 5, and so on.