Using Regular expression in C/C++

標題：C/C++使用正規表示法
VC++ (main.cpp)：

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#include "stdafx.h" #include <iostream> #include <regex> //string lib here using namespace std; int _tmain(int argc, _TCHAR* argv[]) { //String Match string strA = "1337"; regex regA("[0-9]+"); if(regex_match(strA, regA)) { cout << "A Match." << endl; } else { cout << "A Not Match." << endl; } //String Search string strB = "cad23342"; regex regB("[0-9]"); if(regex_search(strB, regB)) { cout << "B Match." << endl; } else { cout << "B Not Match." << endl; } //String Replace string strC = "Hello I'm QQBoxy!!"; regex regC(" "); string wordC = "\n"; cout << regex_replace(strC, regC, wordC) << endl; //String Replace string strD = "Hello I'm QQBoxy!!"; regex regD("a|e|i|o|u"); string wordD = "[$&]"; cout << regex_replace(strD, regD, wordD) << endl; return 0; }

說明：
在C/C++中正規表示式常用的三種語法。