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Program to Perform String Matching Using String Library

Program to Perform String Matching Using String Library

This C++ program performs string matching using string library of C++. A text and a pattern is given as input. The pattern is searched for in the text and all instances of the pattern are given as output.

    #include <iostream>

    #include <string>

    using namespace std;

    int main()

    {

        std::string org, dup;

        int result = -1, i = 1;

        std::cout<<"Enter Original String:";

        getline(std::cin, org);

        std::cout<<"Enter Pattern String:";

        getline(std::cin, dup);

        do

        {

            result = org.find(dup, result + 1);

            if (result != -1)

                std::cout<<"\nInstance:"<<i<<"\tPosition:"<<result<<"\t";

            i++;

        } while (result >= 0);

        return 0;

    }

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