Use isso embaixo do onplayerconnect.
pawn Код:
if(strfind(PlayerName(playerid), "_", true) == -1 || strfind(PlayerName(playerid), "[", true) != -1 || strfind(PlayerName(playerid), "]", true) != -1 || strfind(PlayerName(playerid), "lixo", true) != -1 || strfind(PlayerName(playerid), "buceta", true) != -1 || strfind(PlayerName(playerid), "caralho", true) != -1 || strfind(PlayerName(playerid), "[", true) != -1 || strfind(PlayerName(playerid), "server", true) != -1
|| strfind(PlayerName(playerid), "servidor", true) != -1 || strfind(PlayerName(playerid), "crash", true) != -1 || strfind(PlayerName(playerid), "bpl", true) != -1 || strfind(PlayerName(playerid), "gamerx", true) != -1 || strfind(PlayerName(playerid), "[", true) != -1 || strfind(PlayerName(playerid), "189", true) != -1 || strfind(PlayerName(playerid), "201", true) != -1 || strfind(PlayerName(playerid), "200", true) != -1 || strfind(PlayerName(playerid), ".", true) != -1
|| strfind(PlayerName(playerid), "*", true) != -1 || strfind(PlayerName(playerid), "(", true) != -1 || strfind(PlayerName(playerid), ")", true) != -1 || strfind(PlayerName(playerid), "@", true) != -1 || strfind(PlayerName(playerid), "amx", true) != -1 || strfind(PlayerName(playerid), "prn", true) != -1 || strfind(PlayerName(playerid), "__", true) != -1){
SendClientMessage(playerid, COLOR_LIGHTBLUE, "Seu nome deve ser no formato Nome_Sobrenome Ex: John_Cena");