C++ String find_last_of() function

by Online Tutorials Library July 22, 2022

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 :

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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