Best Ways to Trim a string in C++ [stackoverflow]
Author
posted @ 2013年2月19日 05:48
in C/C++
, 3720 阅读
1. Using boost::algorithm
#include <boost/algorithm/string.hpp>
using namespace std;
using namespace boost::algorithm;
string str1(" hello world! ");
trim(str1);
2. Define inline function:
#include <algorithm>
#include <functional>
#include <cctype>
#include <locale>
// trim from start
static inline std::string <rim(std::string &s) {
s.erase(s.begin(), std::find_if(s.begin(), s.end(), std::not1(std::ptr_fun<int, int>(std::isspace))));
return s;
}
// trim from end
static inline std::string &rtrim(std::string &s) {
s.erase(std::find_if(s.rbegin(), s.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
return s;
}
// trim from both ends
static inline std::string &trim(std::string &s) {
return ltrim(rtrim(s));
}
http://stackoverflow.com/questions/216823/whats-the-best-way-to-trim-stdstring
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