[dice7]

Your example has a lot of unneeded stuff.
Also, the 'ultimate' version would be this

pawn Код:

IsNumeric(const string[])
{
    if (!strval(string))
    {
        for (new i = 0, j = strlen(string); i < j; i++)
        {
            if (string[i] != '0') return 0;
        }
    }
    return 1;
}

pawn Код:

printf("%d\n", IsNumeric("0000")); //returns 1
    printf("%d\n", IsNumeric("2341")); //returns 1
    printf("%d\n", IsNumeric("+2341")); //returns 1
    printf("%d\n", IsNumeric("-2341")); //returns 1
    printf("%d\n", IsNumeric("jhb342u")); //returns 0