How do I use Boost.Regex vs std::regex?

Boost.Regex and std::regex are both libraries in C++ for working with regular expressions. While both offer similar functionalities for matching, searching, and manipulating strings, there are key differences in their usage, performance, and syntax. Below is a comparison and example code demonstrating both libraries.

Boost.Regex, std::regex, C++ regex, regular expressions, regex performance, string manipulation

A comprehensive comparison between Boost.Regex and std::regex in C++, including code examples illustrating their usage.

Here is a simple example using both Boost.Regex and std::regex:


        // Example using Boost.Regex
        #include 
        #include 
        #include 

        int main() {
            std::string text = "Boost is great!";
            boost::regex expr("Boost");

            if (boost::regex_search(text, expr)) {
                std::cout << "Found Boost in Boost.Regex\n";
            }

            return 0;
        }

        // Example using std::regex
        #include 
        #include 
        #include 

        int main() {
            std::string text = "std::regex is useful!";
            std::regex expr("std::regex");

            if (std::regex_search(text, expr)) {
                std::cout << "Found std::regex in std::regex\n";
            }

            return 0;
        }

How do I use Boost.Regex vs std::regex?

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How do I use Boost.Regex vs std::regex?

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