NAME¶

std::experimental::erase_if(std::basic_string) - std::experimental::erase_if(std::basic_string)

Synopsis¶

Defined in header <experimental/string>
template< class CharT, class Traits, class Alloc, class
Pred > (library fundamentals TS
void erase_if( std::basic_string<CharT,Traits,Alloc>& c, v2)
Pred pred );

Erases all elements that satisfy the predicate pred from the container. Equivalent
to c.erase(std::remove_if(c.begin(), c.end(), pred), c.end());

Parameters¶

c - container from which to erase
pred - predicate that determines which elements should be erased

Complexity¶

Linear.

Example¶

// Run this code

#include <experimental/string>
#include <iostream>
#include <iomanip>

int main()
{
std::string data { "1337!p_C00L_<a-_HACKER_!@s_{!s#@_w^o%r*d#42" };

std::cout << "Original string: " << quoted(data) << '\n';

auto crack = [](auto O) { return O < 0141 or 0172 < O; };

std::experimental::erase_if(data, crack);

std::cout << "After erase_if: " << quoted(data) << '\n';
}

Output:¶

Original string: "1337!p_C00L_<a-_HACKER_!@s_{!s#@_w^o%r*d#42"
After erase_if: "password"

See also¶

remove removes elements satisfying specific criteria
remove_if (function template)
erase (std::basic_string) Erases all elements equal to a specific value from a
(library fundamentals 2 TS) std::basic_string
(function template)