stock HelyesNev(const nev[])
{
new alahuzasok = 0;
for(new n = 0; n < strlen(nev); n++)
{
   if(nev[n] == \']\' || nev[n] == \'[\' || nev[n] == \'_\' && n == 0 || nev[n] == \'_\' && n == (strlen(nev) - 1))
      return false;
   if(nev[n] == \'_\')
   {
      if(nev[n-1] == \'_\' || nev[n+1] == \'_\')
         return false;
      else
         alahuzasok++;
   }
}
if(alahuzasok < 1 || alahuzasok > 2)
   return false;
return true;
}

public OnPlayerConnect(playerid)
{
new pName[MAX_PLAYER_NAME], ok = false;
GetPlayerName(playerid, pName, sizeof pName);
for(new i = 0; i < sizeof Names; i++)
{
   if(!strcmp(pName, Names[0]))
   {
      ok = true;
      break;
   }
}
if(!ok && !HelyesNev(pName))
{
   //nem engedi tovább
   return true;
}
return 1;
}