function RabinKarpSet(string s[1~K], string patterns[1~N])
    //用hash table or Cuckoo Filter 來儲存敏感詞彙相關資料
    set hsSet := emptySet

    //前置處理
    foreach p in patterns
        insert hash(p[1~M]) into hsSet
    hs := hash(s[1~M])

    //匹配運算
    for i from 1 to K-M+1
        if hs ∈ hsSet and s[i~i+M-1] ∈ patterns
            return i
        hs := hash(s[i+1..i+M])
    return not found