How to remove the last character of a string in C++
In this post we will give you information about How to remove the last character of a string in C++. Hear we will give you detail about How to remove the last character of a string in C++And how to use it also give you demo for it if it is necessary.
we are going to learn about how to remove the last character of a string in C++.
Consider, we have the following string.
string user = "Johnd";
Now, we want to remove the last character d from the above string.
Removing the last character
To remove the last character of a string, we can use the built-in pop_back() function in C++
Here is an example, that removes the last character d from the following string:
#include <iostream>#include <string.h>using namespace std;int main(){ string user = "Johnd"; user.pop_back(); // removes last character cout<< user; return 0;}Output:
"John"
Note: The pop_back() function modifies the original string by removing the last character, instead of creating a new string.
Similarly, we can also use the substr() function in C++ to remove the last character of a string like this.
#include <iostream>#include <string.h>using namespace std;int main(){ string user = "Johnd"; string result = user.substr(0,user.size()-1); cout<< result; return 0;}The substr() function returns a new string with the specified characters instead of modifying the original string.
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