//string (1)size_type find_first_of (constbasic_string& str, size_type pos =0)constnoexcept;//c-string (2)size_type find_first_of (constcharT* s, size_type pos =0)const;//buffer (3)size_type find_first_of (constcharT* s, size_type pos, size_type n)const;//character (4)si...
string str = "lsbin a computer science" ; char c = 'g' ; // Find first occurrence of 'g' size_t found = str.find(c); if (found != string::npos) cout << "First occurrence is " << found << endl; // Find next occurrence of 'g' found = str.find(c, found+1); if (f...
#include<iostream>#include<string>usingnamespacestd;intmain(){//测试size_type find_first_not_of (const charT* s, size_type pos = 0) const;stringstr("abcdefg"); cout << str.find_first_not_of("kiajbvehfgmlc",0) << endl;//3 从源串str的位置0(a)开始查找,目标串中有a(匹配),再找...
问了解C++中的String::FindENstring类的查找函数： int find(char c, int pos = 0) const;//从pos...
string: this is random string oiwaojlength: 28 Use thesizeFunction to Find Length of a String in C++ Another built-in function included in thestd::stringclass issize, which behaves similarly to the previous method. It takes no arguments and returns the number ofcharelements in the string ob...
int rfind(const string &s,int pos = npos) const;//从pos开始从后向前查找字符串s中前n个字符组成的字符串在当前串中的位置，成功返回所在位置，失败时返回string::npos的值 int find_first_of(char c, int pos = 0) const;//从pos开始查找字符c第一次出现的位置 int find_first_of(...
printf("Size of double=%lu bytes",sizeof(double)); return0; } Output The above code outputs the size offloatanddoublein C, which is4 bytes (32Bits)and8 bytes (64Bits), respectively. To find the size offloatanddoublein a C++, follow the below-given code: ...
string类的查找函数: int find(char c, int pos = 0) const;//从pos开始查找字符c在当前字符串的位置 int find(const char *s, int...; int find_first_of(const char *s, int pos, int n) const;...
find_last_not_ofDemo(str1, str2);return0; } 输出: Original String:geeKsforgeeks String to be looked in:GeeksforGeeks First unmatched character:K 语法3:搜索最后一个字符,该字符还是C-string cstr的元素。 size_type string::find_last_not_of(const char* cstr) constcstr:Another C-string with...
2%29相当于find_last_of(basic_string_view(&c, 1), pos)... 3%29相当于find_last_of(basic_string_view(s, count), pos)... 4%29相当于find_last_of(basic_string_view(s), pos)... 参数 v - view to search for pos - position at which to start the search count - length of the str...