[(SF)Noobanatior]

pawn Код:

stock Validrpname(rpname[]) {
    new len=strlen(rpname);
    new cstate=0;
    new i;
    for(i=0;i<len;i++) {
        if ((cstate==0 || cstate==1) && (rpname[i]>='A' && rpname[i]<='Z') || (rpname[i]>='a' && rpname[i]<='z'))continue;
    else {
    // Ok no A..Z,a..z
            if ((cstate==0) &&(rpname[i]=='_')) {
     // its an _ after the name, ok state=1;
            cstate=1;
            }
            else return false; // Its stuff which is not allowed
        }
    }
    if (cstate<1) return false;
    else if (len<6) return false; //name must be at least 6 char
    else return true;
}

public OnPlayerConnect( playerid )
{
    new playerName[ MAX_PLAYER_NAME ];
    GetPlayerName( playerid, playerName, MAX_PLAYER_NAME );
    if(!Validrpname(playername){
      Kick( playerid );
    }
    
    return 1;
}

it dont look for the caps at the start of name can add though