UsefindMethod to Find Substring in a String in C++ The most straightforward way of solving the issue is thefindfunction, which is a built-instringmethod, and it takes anotherstringobject as an argument. #include<iostream>#include<string>using std::cin;using std::cout;using std::endl using ...
我做了一个c++字符串,它将使用find和substring命令分成子字符串,并且一直存在子字符串多于指令的问题。它们应该是没有数字的句子。 #include <iostream> #include <algorithm> #include <string.h> using namespace std; int main() { string questions = "1. pog 2. pog2 3. pog3 4. pog4"; int q1in...
// g++ -g -o x x.cpp #include #include extern "C" int main() { std::string::size_type n = std::string::npos; std::string str = "123"; std::string::size_type m = str.find('2', n); std::cout << "n=" << n << ", m=" << m << std::endl; return 0; } i3...
cpp #include <iostream> #include <string> int main() { std::string text = "Hello, world!"; std::string substring = "world"; if (text.find(substring) != std::string::npos) { std::cout << "'" << substring << "' is found in the text."...
string::find( char c, size_type pos = 0 ) returns the index of the first occurrence of c in the string beginning at index pos. string::substr( size_type pos = 0, size_type n = npos ) returns the substring of n characters beginning from, and including, the character at index 'pos...
find find characters in the view (public member function) rfind find the last occurrence of a substring (public member function) find_first_of find first occurrence of characters (public member function) find_first_not_of find first absence of characters (public member function) find_last_not_...
The C++ std::string::find() function is used to detect the position of substring within the string. This function returns the index of the first occurrence of the specified substring or character. If the substring is not found, it returns the string::npos, a constant representing an invalid...
The substring with start index = 2 is "ab", which is an anagram of "ab". 要完成的函数: vector<int> findAnagrams(string s, string p) 说明: 1、给定一个字符串s和非空字符串p,将p中元素不断交换形成一个新的字符串,如果这个新的字符串在s中能找到匹配的,那么就输出匹配到的开始的位置,直到处...
(3) Find character in string (public member function) string::find_last_not_of(3) Find non-matching character in string from the end (public member function) string::replace(3) Replace portion of string (public member function) string::substr(3) Generate substring (public member function) ...
cout << "The index of the 'x' found in str1 is: " << indexCh1b << endl << endl; else cout << "The character 'x' was not found in str1." << endl << endl; // The second member function searches a string // for a substring as specified by a C-string string str2 ( ...