UserfindMethod to Find Substring in a String in C++ rfindmethod has a similar structure asfind. We can utilizerfindto find the last substring or specify a certain range to match it with the given substring. #include<iostream>#include<string>using std::cin;using std::cout;using std::endl ...
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...
#include <string> #include <iostream> int main () { using namespace std; string strSample ("this is a test"); size_t nOffset = strSample.find ("test", 0); // Check if the substring was found... if (nOffset != string::npos) cout << "found:" << nOffset; else cout <<...
// 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); // 按照期望,m值应为npos std::cout << "n=" << n << ", m=" << m << st...
find find characters in the string (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_last_of find last occurrence of characters (public member function) find_last_not_of...
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) ...
lastname = fullname.substring(index+1); index = fullname.find("kin"); // 在index = 9 匹配"Kin" index = fullname.find("omp",0); // 在index = 6 匹配"omp" index = fullname.find("omp",7); // index is -1 (无匹配)
SET str1=substring(str1,CURRENTINDEX+1); SET CURRENTINDEX=LOCATE(',',str1); ENDWHILE; #只传一个 和 最后无逗号的情况 IF LENGTH(str1)>0THEN ifFIND_IN_SET(str1,str2)>0THEN setresult=1; endif; ENDIF; ENDIF; RETURN result; END; ...
= npos ) cout << "The index of the last occurrence of an " << "element of 'B1' in str2 before\n the 12th " << "position is: " << indexCh2a << endl; else cout << "Elements of the substring 'B1' were not " << "found in str2 before the 12th position." << endl; ...
finds the first occurrence of a wide character in a wide string (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 ...