Hello, this is my my first post to a newsgroup, so i hope it will work... I use the boost regex library, and i was wondereing, why the following code doesn't work. When i output the result of the match, it should output "a", but it didn't, the output was something wrong like "yl". I figured out, that the reasen for this is, that the string sSearchString is just in the scope of the try-block, so it is allready destroyed when i do the output. If i put the declaration of the string above the try block, all works fine, because the searchstring is still existing when i do the output. The matchresult seems to save just a reference to the string. Am i doing sth wrong? I think this is quite dangerous, or is there a way to do this more safe? Thanx, Tobi /////////////////////////////////////////// boost::smatch match; // Match-Ergebnis bool bMatched; try { // Regulaeren Ausdruck anlegen boost::regex sExpr; sExpr.assign( "." ); // Suchstring anlegen std::string sSearchString = "abcdef"; // Matchen bMatched = boost::regex_search(sSearchString,match,sExpr); } catch(runtime_error& er) { m_sLog = er.what(); return; } if( bMatched ) { cout << match[0] << endl; } ///////////////////////////////////////////