boost之2.字符串算法

核动力机器人

本文主要涉及boost中algorithm之string问题
基本的字符串函数类型有
替换
裁剪
大小写替换
正则表达式
切割
判断
和擦除操作等等
//! boost之2:字符串算法类
#include <string>
#include <vector>
#include <iostream>
#include <iterator>
#include <functional>
#include <boost/algorithm/string.hpp>
using
namespace std;
using
namespace boost;

int main()
{  
    //! 字符串

string str(" abc-*-ABC-*-aBc ");
   
    //! 以-或者*切割字符串
    vector<std::string> ret;
    split(ret,str,is_any_of("-*"),token_compress_on);

    for(unsigned int index=0;index<ret.size();index++)
    {
        cout<<index<<":"<<ret[index]<<endl;
    };
   
    //! 切换为小写
    to_lower(str);
    cout<<"*"<<str<<"*"<<endl;
    //! 去掉左边的空格
    trim_left(str);
    cout<<"*"<<str<<"*"<<endl;
    //! 去掉右边的空格
    trim_right(str);
    cout<<"*"<<str<<"*"<<endl;
   
    //! 替换
    replace_all(str,"a","A");
    cout<<str<<endl;
    //! 擦除
    cout<<erase_all_copy(str,"A")<<endl;
   
    replace_nth(str,"c",2,"ccsdu2004");
    cout<<str<<endl;
   
    //! 擦除给定范围
    cout<<erase_range_copy(str,make_iterator_range(str.begin()+2,str.begin()+5))<<endl;
   
    cout<<"is start with:A:"<<starts_with(str,string("A"))<<endl;
    cout<<"is end with:C:"<<ends_with(str,string("C"))<<endl;
    cout<<"is contain with:ccs:"<<contains(str,string("ccs"))<<endl;
   
    cout<<endl;
    system(&quotAUSE");
    return
0;
}