// CPP code for string::find_last_not_of(const char* cstr) const#include<iostream>usingnamespacestd;// Function to demonstratefind_last_not_ofvoidfind_last_not_ofDemo(stringstr){// Finds last character in str which// is not present in "geeksforgeeks"string::size_type ch = str.find_...
std::stringtrim(conststd::string&str){constchar*whitespace ="\t \n\r";size_tstart = str.find_first_not_of(whitespace);size_tend = str.find_last_not_of(whitespace);// no non-whitespace characters, return the empty stringif(start ==std::string::npos)return"";// searching from the ...
cout << s1.find_last_not_of(s3, 5, 4) << endl;在s3的前4个字符中查找s1位置5前的字符 cout << s1.find_last_not_of('l', 8) << endl; cout << s1.find_last_not_of('l', 7) << endl; cout << s1.find_last_not_of('l') << endl; return 0; }...
// string::find_last_not_of#include <iostream>// std::cout#include <string>// std::string#include <cstddef>// std::size_tintmain () { std::string str ("Please, erase trailing white-spaces \n"); std::string whitespaces (" \t\f\v\n\r"); std::size_t found = str.find_last...
C++ String::find_last_not_of() function - The C++ std::string::find_last_not_of() function is used to find the position of the last character in a string that does not match any character in a specified set. It searches the string from the end towards th
// string::find_last_not_of#include<iostream>// std::cout#include<string>// std::string#include<cstddef>// std::size_tintmain(){std::stringstr("Please, erase trailing white-spaces \n");std::stringwhitespaces(" \t\f\v\n\r"); ...
// string::find_last_not_of #include <iostream> // std::cout #include <string> // std::string #include <cstddef> // std::size_t int main () { std::string str ("Please, erase trailing white-spaces "); std::string whitespaces (" fv "); std::size_t found = str.find_last...
size_type find_last_not_of( value_type _Ch, size_type _Off = npos ) const; size_type find_last_not_of( const value_type* _Ptr, size_type _Off = npos ) const; size_type find_last_not_of( const value_type* _Ptr, size_type _Off, size_type _Count ) const; size_type find_...
C++ string.empty()函数(1) C++ string.find_last_not_of()函数(1) C++ string.find_first_not_of()函数介绍 在C++中,string.find_first_not_of()函数是一个用于查找字符串中第一个不属于指定字符集的字符的函数。它的功能是在给定字符串中搜索第一个在指定字符集外的字符,并返回其位置。 语法 size_t...
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...