std:🧵:clear in C++ (original) (raw)

Last Updated : 23 Jul, 2025

The string content is set to an empty string, erasing any previous content and thus leaving its size at 0 characters.Parameters: noneReturn Value: none

void string ::clear ()

• Removes all characters (makes string empty)
• Doesn't throw any error
• Receives no parameters and returns nothing

CPP `

// CPP code to illustrate // clear() function

#include #include using namespace std;

// Function to demo clear() void clearDemo(string str) { // Deletes all characters in string str.clear();

cout << "After clear : ";
cout << str;

}

// Driver code int main() { string str("Hello World!");

cout << "Before clear : ";
cout << str << endl;
clearDemo(str);

return 0;

}

`

Output:

Before clear : Hello World! After clear :

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