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public static boolean sql_inj(String str)
{
    String inj_str = "'|and|exec|insert|select|delete|update|
count|*|%|chr|mid|master|truncate|char|declare|;|or|-|+|,";
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String[] inj_stra=inj_str.split("\\|");
    for (int i=0 ; i <; inj_stra.length ; i++ )
    {
        if (str.indexOf(inj_stra[i])<=0)
        {
            return true;
        }
    }
    return false;
}
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public static String TransactSQLInjection(String str)
{
return str.replaceAll(".*([';]+|(--)+).*", " ");
}


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