[gr56]

pawn Код:

new full = strlen(inputtext);
for(new i = 0; i < full; i++)
    {
        if(IsNumeric(inputtext[i])) 
         {
          SendClientMessage(playerid, 0xFFFFFFFF, "Your  Firstname Cannot Contain Numbers or be Blank Text Only");
            ShowPlayerDialog(playerid,5,DIALOG_STYLE_INPUT,"Firstname","What is your firstname?","Submit","Cancel");
          return 0;
         }
    }

pawn Код:

stock IsNumeric(string[])
{
    for (new i = 0, j = strlen(string); i < j; i++)
    {
        if (string[i] > '9' || string[i] < '0') return 0;
    }
    return 1;
}