创胜网络科技有限公司,seo网站推广作用,网站设计佛山,北京高端品牌网站定制基本概念这里不解释了#xff0c;代码中详细解释了BOOST程序库中对于正则表达式常用方法的详细用法。
#include iostream
#include string//正则表达式头文件
#include boost/xpressive/xpressive.hppint main() {//声明正则#xff1a;boost::pres…基本概念这里不解释了代码中详细解释了BOOST程序库中对于正则表达式常用方法的详细用法。
#include iostream
#include string//正则表达式头文件
#include boost/xpressive/xpressive.hppint main() {//声明正则boost::pressive::cregexboost::xpressive::cregex reg boost::xpressive::cregex::compile(a.c);//匹配正则boost::pressive::cregex_matchif (boost::xpressive::regex_match(abc, reg)) {std::cout 匹配成功 std::endl;}else {std::cout 匹配失败 std::endl;}if (boost::xpressive::regex_match(ac, reg)) {std::cout 匹配成功 std::endl;}else {std::cout 匹配失败 std::endl;}if (boost::xpressive::regex_match(ac, reg)) {std::cout 匹配成功 std::endl;}else {std::cout 匹配失败 std::endl;}//字符串正则//声明正则622421197706251568//R(\d{6}(1|2)\d{3}(0|1)\d[0-3]\d\d{3}(X|\d))boost::xpressive::cregex reg1 boost::xpressive::cregex::compile(R(622421(1|2)\d{3}(0|1)[1-9][1-3][0-9]\d{3}(\d|X)));std::cout boost::xpressive::regex_match(62242119770611231X, reg1) std::endl;std::cout boost::xpressive::regex_match(622421200506111765, reg1) std::endl;std::cout boost::xpressive::regex_match(622421162506311564, reg1) std::endl;std::cout boost::xpressive::regex_match(62242115960621231X, reg1) std::endl;std::cout boost::xpressive::regex_match(622421200412452156, reg1) std::endl;boost::xpressive::cregex reg3 boost::xpressive::cregex::compile(string-(.{4}));char Str[] this is a string-xxxx;boost::xpressive::cmatch what;boost::xpressive::regex_search(Str, what, reg3);//正则表达式匹配成功后替换std::string Str1 readmereadme.txt;boost::xpressive::sregex regg1 boost::xpressive::sregex::compile((.*)(me));boost::xpressive::sregex regg2 boost::xpressive::sregex::compile((t)(.)(t));//替换$1代表找到的m的位置std::cout boost::xpressive::regex_replace(Str1, regg1, $1ing) std::endl; //readmereading.txtstd::cout boost::xpressive::regex_replace(Str1, regg1, ing) std::endl; //ing.txtstd::cout boost::xpressive::regex_replace(Str1, regg1, $1L$2) std::endl; //readmereadLme.txtstd::cout boost::xpressive::regex_replace(Str1, regg2, $1L$3) std::endl; //readmereadme.tLt//替换文件名std::cout boost::xpressive::regex_replace(Str1, regg2, $1exe) std::endl; //readmereadme.texestd::cout boost::xpressive::regex_replace(Str1, regg2, $1L$2) std::endl; //readmereadme.tLxsystem(pause);return 0;
}
