使用std::string::erase 函数删除字符串中的指定字符 erase 是一个 std::string 成员函数,可用于从字符串中删除给定的字符。它有三个重载,我们将在下面的例子中讨论每一个。 第一个重载接受两个 size_type 类型的参数,分别表示 index 和count。此版本将尝试擦除从 index 位置开始的 count 个字符,但在某些情况...
string& string::erase () // CPP code to illustrate // erase() function #include <iostream> #include <string> using namespace std; // Function to demo erase() void eraseDemo(string str) { // Deletes all characters str.erase(); cout << "After erase():"; cout << str; } // Dr...
#include<iostream>#include<string>usingstd::cout;usingstd::cin;usingstd::endl;usingstd::string;intmain(){stringtext="Lorem ipsum dolor sit amet, consectetur adipiscing elit.";text.erase(std::find(text.begin(), text.end(),','));cout<<text<<endl;text.erase(text.end()-5);cout<<text<...
string&string::erase (size_type pos)- Throw out_of_rangeifidx > size(). cpp output: Before erase(idx) : Hello World! After erase(idx) : H Syntax 3:Erases at most, len characters of *this, starting at index idx. string&string::erase (size_type idx, size_type len )- If lenis...
// std::string类定义 typedef basic_string string; template class basic_string { private: ...
<algorithm> #include <cctype> int main() { std::string a = "!!eix!@#$%fghjk^&*()_+%if***" ; std::cout << a << '\n' ; a.erase( std::remove_if( a.begin(), a.end(), []( char c ) { return std::ispunct(c); } ), a.end() ) ; std::cout << a << '\n...
erase_if(std::basic_string<...>& c, Pred pred); (2) (C++20 起) 1) 从容器中擦除所有比较等于 value 的元素。等价于 auto it = std::remove(c.begin(), c.end(), value); auto r = std::distance(it, c.end()); c.erase(it, c.end()); return r;2) 从容器中擦除所有满足 pre...
Problem with std::string erase function. Jul 22 '05, 08:27 PMDear experts,I am doing code to Solaris 9 system with C++.I get every now and then segmentation fault in the following code that removes heading and trailing white spaces (mLineStr is of type std:string):-...
std::basic_string::end std::basic_string::erase std::basic_string::find std::basic_string::find_first_not_of std::basic_string::find_first_of std::basic_string::find_last_not_of std::basic_string::find_last_of std::basic_string::front std::basic_string::get_allocator std::basic...
受影响的字符取决于使用的成员函数版本: 返回值:erase() 返回 *this。 语法1:删除字符串中的所有字符 string& string ::erase () CPP // CPP code to illustrate // erase() function #include <iostream> #include <string> using namespace std; // Function to demo erase() void eraseDemo(string...