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Home/ Questions/Q 6208207
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Editorial Team
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Editorial Team
Asked: May 24, 20262026-05-24T05:46:09+00:00 2026-05-24T05:46:09+00:00

For some reason boost::regex overloads my application and it freezes without an error, but

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For some reason boost::regex overloads my application and it freezes without an error, but it compiles fine. For instance this code fails flatly. What am I doing wrong? I updated to boost 1.47 to see if it was a DLL error, but it still doesn’t work. Can I get an example program to test out the boost::regex?

static const boost::regex expression("^[0-9]+");
std::string str = "123a1";
std::cout << boost::regex_search(str.c_str(), expression);
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  1. Editorial Team
    Editorial Team
    2026-05-24T05:46:10+00:00Added an answer on May 24, 2026 at 5:46 am

    After some work I deleted the boost installation from BoostPro and compiled boost myself and now it works. The problem was that BoostPro did not install all of the DLL’s and I thought when it asked me for a missing DLL that BoostPro named them wrong (boost_regex-vc100-mt-1_47.dll instead of boost_regex-vc100-mt-gd-1_47.dll). After getting the correct DLL everything works fine. Thank you for your help troubleshooting this!

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