[ExEx]

I just found this

new plname[MAX_PLAYER_NAME];
GetPlayerName(playerid, plname, sizeof(plname));
new namestring = strfind(plname, "_", true);
if(namestring == -1)
{
SendClientMessage(playerid, COLOR_RED, "Your name must be in the format Firstname_Lastname.");
Kick(playerid);
return 1;
}


But this kick me when my name is NameSurname or Namexxxxx but not kick me when my name is name_surname

I want only players with Name_Surname join my server !
not name_surname or Name_surname Name_surname !

please !