re_remove.cxx

#include <pcrecpp.h>
#include <iostream>


int main(int argc, char *argv[]) {
    //  Don't sync C++ and C I/O
    std::ios_base::sync_with_stdio(false);

    if (argc < 2) {
        std::cerr << "Usage: re_remove REGEX <input" << std::endl;
        return 1;
    }
    const std::string re_src = argv[1];
    pcrecpp::RE re(re_src, pcrecpp::RE_Options()
            .set_no_auto_capture(true)
            .set_utf8(false));
    
    std::string line;
    const std::string empty = "";
    while (std::getline(std::cin, line)) {
        re.GlobalReplace(empty, &line);
        std::cout << line << std::endl;
    }

    return 0;
}