技术问答c++ replace鍑芥暟鎬庝箞澶勭悊绌哄瓧绗︿覆 - 扬州沐宇科技

鍦–++涓紝鍙互浣跨敤replace鍑芥暟鏉ユ浛鎹㈠瓧绗︿覆涓殑鎸囧畾瀛愬瓧绗︿覆銆傚鏋滆鏇挎崲绌哄瓧绗︿覆锛屽彲浠ュ皢replace鍑芥暟鐨勭涓変釜鍙傛暟璁剧疆涓虹┖瀛楃涓插嵆鍙€?/p>

渚嬪锛屽亣璁炬湁涓€涓瓧绗︿覆str锛屾垜浠灏嗗叾涓殑瀛愬瓧绗︿覆"abc"鏇挎崲涓?quot;"锛堢┖瀛楃涓诧級锛屽彲浠ヨ繖鏍峰仛锛?/p>

#include <iostream>
#include <string>

int main() {
    std::string str = "abcdeabc";
    
    size_t pos = str.find("abc");
    if (pos != std::string::npos) {
        str.replace(pos, 3, ""); // 灏?quot;abc"鏇挎崲涓虹┖瀛楃涓?/span>
    }
    
    std::cout << "鏇挎崲鍚庣殑瀛楃涓蹭负锛?quot; << str << std::endl;
    
    return 0;
}

涓婇潰鐨勪唬鐮佷腑锛岄鍏堜娇鐢╢ind鍑芥暟鎵惧埌瀛愬瓧绗︿覆"abc"鍦ㄥ師瀛楃涓蹭腑鐨勪綅缃紝鐒跺悗浣跨敤replace鍑芥暟灏嗗叾鏇挎崲涓?quot;"锛堢┖瀛楃涓诧級銆?/p>

璇锋敞鎰忥紝瀵逛簬replace鍑芥暟鐨勭涓変釜鍙傛暟锛堣鏇挎崲鐨勫瓙瀛楃涓诧級锛屽鏋滆缃负绌哄瓧绗︿覆锛屽嵆琛ㄧず瑕佸垹闄ゅ師瀛楃涓蹭腑鐨勬寚瀹氬瓙瀛楃涓层€?/p>