ƯÁ¤ ¹®ÀÚ¿À» ã¾Æ¼ ¹®ÀÚ¿À» ´ëüÇÏ´Â replace¿¡ ´ëÇؼ ¾Ë¾Æº¸ÀÚ. str.replace(str.find(str2),str2.length(),"") "abc" ¹®ÀÚ¿À» ã¾Æ¼ ""¹®ÀÚ¿·Î ´ëüÇÏ°í ÀÖ´Ù. ´ÜÁö find ¸í·ÉÀ» »ç¿ëÇÏ¿© replace ¸í·ÉÀ» »ç¿ëÇÏ Ã³À½ ³ª¿À´Â ¹®ÀÚ¿¸¸ ´ëüÇÑ´Ù. string str = "Hello@world";
string tok = "@"; string::size_type pos = str.find_first_of(tok); if (pos == std::string::npos) cout << "Position of find_first_of std::string::npos " << endl; else { cout << "Position of find_first_of is " << pos << endl; cout << "Position of find_first_of is " << str.substr(0, pos) << endl; str.replace(pos, tok.length(), "---"); cout << "replace result " << str << endl; } °á°ú) Position of find_first_of is 5 Position of find_first_of is Hello replace result Hello---world find¿Í find_first_of Â÷ÀÌÁ¡ : find¿¡ ¸Å°³º¯¼ö°¡ ""(ºó ¹®ÀÚ¿)ÀÌ µé¾î°¡¸é pos°ªÀÌ 0ÀÌ´Ù. find_first_of¿¡ ¸Å°³º¯¼ö°¡ ""(ºó ¹®ÀÚ¿)ÀÌ µé¾î°¡¸é pos°ªÀÌ nposÀÌ´Ù. ¹®ÀÚ¿ ´ëü¸¦ ÇϱâÀ§ÇØ ÇÊ¿äÇÑ ·ÎÁ÷À» Á¤¸®ÇÏ¸é ´ÙÀ½°ú °°ÀÌ ÇÑ´Ù. string str = "Hello@world";
string tok = "@"; string::size_type pos = str.find_first_of(tok); if (pos != std::string::npos) { str.replace(pos, tok.length(), "---"); cout << "replace result " << str << endl; } ¸ðµç ¹®ÀÚ¿À» ´ëü ÇÒ·Á¸é ´ÙÀ½°ú °°ÀÌ ÇÑ´Ù. std::string ReplaceAll(std::string &str, const std::string& from, const std::string& to)
{ size_t start_pos = 0; while ((start_pos = str.find(from, start_pos)) != std::string::npos) { str.replace(start_pos, from.length(), to); start_pos += to.length(); } return str; } using namespace std; int main() { string str = "Number Of Beans"; cout << ReplaceAll(str = string("Number Of Beans"), string(" "), string("_")) << endl; cout << ReplaceAll(str = string("abcdabcd"), string("ab"), string("XX")) << endl; cout << ReplaceAll(str = string("abcdabcd"), string("ab"), string("1")) << endl; return 0; } °á°ú) Number_Of_Beans XXcdXXcd 1cd1cd Âü°í) https://hashcode.co.kr/questions/239/½ºÆ®¸µ¿¡¼-ƯÁ¤-´Ü¾î-±³Ã¼Çϱâ |