[Gammix]

IsRPName
Check if the specified username is a valid Roleplay name (i.e. with '_' and chars between 'A' to 'z').

Return true if a valid name
Return false if not a RP name

pawn Код:

bool:IsRPName(name[], min_underscores = 1, max_uderscores = 3, bool:first_letter_upper = true)
{
    new tempname[MAX_PLAYER_NAME];
    strcat(tempname, name);
    
    #pragma unused name

    new count;
    new pos;
    new dest[MAX_PLAYER_NAME];
    
    while ((pos = strfind(tempname, "_")) != -1)
    {
        strmid((dest[0] = EOS, dest), tempname, 0, pos, MAX_PLAYER_NAME);
        strdel(tempname, 0, (pos + 1));

        if (! dest[0])
            return false;

        if (first_letter_upper && dest[0] >= 'a')
            return false;

        for (new i, j = strlen(dest); i < j; i++)
        {
            if (dest[i] < 'A' || dest[i] > 'z' || dest[i] == ' ')
                return false;
        }
        count++;
    }
            
    if (count < min_underscores)
        return false;

    if (! tempname[0])
        return false;

    if (first_letter_upper && tempname[0] >= 'a')
        return false;
            
    for (new i, j = strlen(tempname); i < j; i++)
    {
        if (tempname[i] < 'A' || tempname[i] > 'z' || tempname[i] == ' ')
            return false;
    }
    count++;
    
    if (count > max_uderscores)
        return false;

    return true;
}

Usage

pawn Код:

public OnPlayerConnect(playerid)
{
    new name[MAX_PLAYER_NAME];
    GetPlayerName(playerid, name, MAX_PLAYER_NAME);
    
    if (! IsRPName(name, 1, 3, true))
    {
        return Kick(playerid);
    }
    
    return 1;
}