保存进度

cmake/chapter-1/code/main.cpp

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+#include <iostream>
+#include <boost/regex.hpp>
+#include ".\message\message.h"
+
+using namespace std;
+using namespace boost;
+
+extern const string MESSAGE;
+
+int main()
+{
+    string s = R"(Search Engines: http://baidu.com https://google.com About Me: https://xuhongxu.com/about/)";
+    regex e("(([a-zA-Z]*)://\\[a-zA-Z0-9\\_-\\]+(\\.\\[a-zA-Z0-9\\_-\\]+)+(/\\[^\\s<>\"\\)\\]\\*)?");
+
+    for (sregex_iterator m(s.begin(), s.end(), e), end; m != end; ++m) 
+    {
+        cout <<  "URL: " << (*m)[0].str() << endl;
+        cout <<  "Scheme: " << (*m)[1].str() << endl;
+        cout <<  endl;
+    }
+
+    cout << "结束" << endl;
+    
+    return 0;
+}

cmake/chapter-1/code/message/message.cpp

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+#include "message.h"
+
+using namespace std;
+
+static const string MESSAGE = "Hello World Message!";
+
+void printMessage()
+{
+    std::cout << MESSAGE;
+}

cmake/chapter-1/code/message/message.h

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+#include <string>
+#include <iostream>
+
+using std::string;
+using std::cout;
+
+extern const string MESSAGE;
+
+void printMessage();