std::vector<int>::iteratorpos; pos=std::find_first_of(vt1.begin(),vt1.end(),vt2.begin(),vt2.end()); if(pos!=vt1.end()) { qDebug()<<"first element of vt2 in vt1 is element: "<<std::distance(vt1.begin(),pos)+1; vt1.insert(vt1.end(),vt2.begin(),vt2.end()); ...
find_first_of()不是全匹配,而find()是全匹配 /* * Author: mybestwishes * Created Time: 2011/4/9 15:56:44 * File Name: find.cpp */ #include <iostream> #include <cstdio> using namespace std; int main(){ string s1 = "adedef" ; string s2 = "dek" ; int ans = s1.find_first...
13using namespace std; 14int main() { 15 string s = "To be or not to be is a question"; 16 string vowel = "aeiou"; 17 18 // first vowel in s 19 cout << "First vowel in s " << endl; 20 { 21 string::iterator c = find_first_of(s.begin(), s.end(), vowel.begin()...
find_first_of("!@#$%^&*()"); if (index != std::string::npos) { std::cout << "特殊字符的索引为: " << index << std::endl; } else { std::cout << "未找到特殊字符" << std::endl; } return 0; } 在上述示例代码中,我们使用了find_first_of函数来查找字符串中第一个...
firstNotOf = source.FindFirstNotOf(chars); int? lastNotof = source.FindLastNotOf(chars); // ... public static int? FindFirstNotOf(this string source, string chars) { if (source == null) throw new ArgumentNullException("source"); if (chars == null) throw new Argument...
#include<string> #include<iostream> using namespace std; int main() { string s("dog bird chicken bird cat"); //字符串查找---找到后返回首字母在字符串中的下标 // 1. 查找一个字符串 cout << s.find("chicken") << endl;// 结果是:9 // 2. 从下标为6开始找字符'i',返回找到的第一...
原型:int strcmp(const char firststring[], const char secondstring); 功能:比较两个字符串firststring和secondstring 例程: #include <iostream.h> #include <string.h> void main(void) { char buf1[] = "aaa"; char buf2[] = "bbb"; char buf3[] = "ccc"; int ptr; ptr = strcmp(buf2,bu...
1、rfind() 具有 find() 的输入形式,反序查找 2、find_first_of() 具有 find() 的输入形式,返回第一个匹配的索引 3、find_last_of() 具有 find() 的输入形式,返回倒数第一个匹配的索引 4、find_first_not_of() 具有 find() 的输入形式,返回第一个不匹配的索引 ...
{std::cout<<"\n mapped value = "<< *it->second <<" key = "<< it->first;//std::cout << "\n mapped value = " << it.value() << " key = " << it.key();} BOOST_TEST_MESSAGE("finished iterator test"); a_key = get_next_key( a_key ); ...
2 using namespace std; string对象的输入方式: cin\getline 1 #include <iostream> 2 #include <string> 3 4 int main() 5 { 6 string s1, s2; 7 cin >> s1; 8 getline(cin, s2); 9 10 return 0; 11 } 二、C字符串相关操作 对于C语言的字符串,有以下这些库函数: ...