C++ String find_last_of() function

C++ String find_last_of() function tutorial for beginners and professionals with examples on constructor, if-else, switch, break, continue, comments, arrays, object and class, exception, static, structs, inheritance, aggregation etc.

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C++ String find_last_of()

This function searches the string for the last character that matches any of the character specified in the string.

Syntax

Consider two strings str1 and str2. Syntax would be :

str1.find_last_of(str2);

Parameters

str : str is the string to be used in searching.

pos : It defines the position at which to start the search.

n : Number of characters identifying characters to be searched for.

ch : It defines the character which is to be searched

Return value

It returns the position of the first character that does not match.

Examples 1

Let's see the simple example.

#include<iostream>
using namespace std;
int main()
{
string str = "I love India";
cout<< "String contains :" << str <<'\n';
cout<< str.find_last_of("love");
return 0;
             }

Output:

String contains : I love India
    5

Examples 2

Let's see the simple example when the position at which to start the search is specified.

#include<iostream>
           using namespace std;
          int main()
        {
        string str = "C++ Tutorial";
       cout<< "String contains :" << str <<'\n';
      cout<< str.find_last_of("Tutorial",3);
       return 0;
       }

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