c++ string iterators incompatible

参考内容：
http://bingxinye1.blog.163.com/blog/static/168797098201332294321491/

vc2005 对于迭代器的匹配是非常严格的，通常这种错误是因为两个不同的迭代器操作同一个 vector，或者是因为迭代器在遍历vector时，vector的链表改变了，就会引发这种错误，比如vector在遍历的途中，别的位置push_back()一个元素，这时迭代器就失效了，导致错误。

例如：在调用函数的里面不要再定义并使用针对同一个string对象的迭代器...

//0615bool GetFirstReInfo_model_one(string str,string::const_iterator it,string::const_iterator end,EmailBody_ReInfo *re_info){cout << "GetFirstReInfo by Model_one:" << endl;boost::regex expression("((On)(\\s)(.*?)(AM|PM)(.*?)([A-Za-z0-9.-]+@[A-Za-z0-9-]+[.\\w+]+)(.*?)(wrote))|((At)(\\s)(.*?)(,)(.*?)([A-Za-z0-9.-]+@[A-Za-z0-9-]+[.\\w+]+)(.*?)(wrote))|((在\\s)([0-9-]+(.*?)[0-9:]+)(.*?)([A-Za-z0-9.-]+@[A-Za-z0-9-]+[.\\w+]+)(.*?)(写道))");boost::smatch what;string re_date = "",re_sender = "";//注：再对string str定义新的起始迭代器，并对该string对象进行迭代操作将报错  //string::const_iterator it = str.begin();//string::const_iterator end = str.end();while(boost::regex_search(it,end,what,expression)){if(what[1].matched){//cout << what[1].str() << endl;re_date = what[4].str() + what[5].str();re_sender = what[7].str();}else if(what[10].matched){//cout << what[10].str() << endl;re_date = what[13].str();re_sender = what[16].str();}else if(what[19].matched){//cout << what[19].str() << endl;re_date = what[21].str();re_sender = what[24].str();}it = what[0].second;break;}if(re_date != "" && re_sender != ""){(*re_info).Re_Sender = re_sender;(*re_info).Re_SendDate = re_date;return true;}elsereturn false;}bool GetFirstReInfo_model_two(string str,string::const_iterator it,string::const_iterator end,EmailBody_ReInfo *re_info){cout << "GetFirstReInfo by model_two ..." << endl;//regex expression of model twoboost::regex exp1("(发件人)(.*?)([A-Za-z0-9.-]+@[A-Za-z0-9-]+[.\\w+]+)(.*?)(发送日期|日期|发送时间)(.*?)([0-9]+(年)[0-9]+(月)[0-9]+(日)(.*?)[0-9]+(点|:)[0-9]+(分)?)");//  (分)?  0 or 1 boost::regex exp2("(From)(.*?)([A-Za-z0-9.-]+@[A-Za-z0-9-]+[.\\w+]+)(.*?)(Date)(.*?)((Mon|Tue|Wed|Thu|Fri|Sat|Sun)(.*?)(AM|PM))");boost::regex exp3("(From)(.*?)([A-Za-z0-9.-]+@[A-Za-z0-9-]+[.\\w+]+)(.*?)(Date)(.*?)([0-9]+-[0-9]+-[0-9]+\\s[0-9]+:[0-9]+:[0-9]+)");//boost::smatch what;string re_date = "",re_sender = "";//string::const_iterator it = str.begin();//string::const_iterator end = str.end();if(boost::regex_search(it,end,what,exp1)){re_date = what[3].str();re_sender = what[7].str();}else if(boost::regex_search(it,end,what,exp2)){re_date = what[3].str();re_sender = what[7].str();}else if(boost::regex_search(it,end,what,exp3)){re_date = what[3].str();re_sender = what[7].str();}if(re_date != "" && re_sender != ""){(*re_info).Re_Sender = re_sender;(*re_info).Re_SendDate = re_date;return true;}elsereturn false;}//match "On/At; From and other equivalent Chinese characters"bool GetFirstReInfo_model(string str,EmailBody_ReInfo *re_info){boost::regex exp("(On|At|在)|(From|发件人)");//****   (str1)|(str2)   not ((str1)|(str2))boost::smatch what;string::const_iterator it = str.begin();string::const_iterator end = str.end();while(boost::regex_search(it,end,what,exp)){it = what[0].first;//**cout << "what[1]:" << what[1].str() << endl;cout << "what[2]:" << what[2].str() << endl;if(what[1].matched){if(GetFirstReInfo_model_one(str,it,end,re_info))return true;else it = what[0].second;}else if(what[2].matched){if(GetFirstReInfo_model_two(str,it,end,re_info))return true;elseit = what[0].second;}}return false;}