std::stringtrimLeft(conststd::string&str); std::stringtrimRight(conststd::string&str); std::stringtrim(conststd::string&str); std::stringtoLower(conststd::string&str); std::stringtoUpper(conststd::string&str); boolstartsWith(conststd::string&str,conststd::string&substr); boolendsWith(co...
std::stringtrimLeft(conststd::string&str); std::stringtrimRight(conststd::string&str); std::stringtrim(conststd::string&str); std::stringtoLower(conststd::string&str); std::stringtoUpper(conststd::string&str); boolstartsWith(conststd::string&str,conststd::string&substr); boolendsWith(co...
使用Boost 的字符串算法将是最简单的: #include <boost/algorithm/string.hpp> std::string str("hello world! "); boost::trim_right(str); str现在是"hello world!" 。还有trim_left和trim ,它会修剪两侧。 如果将_copy后缀添加到以上任何函数名称(例如trim_copy ,该函数将返回字符串的修剪后的副本,...
std::string trimLeft(const std::string& str); std::string trimRight(const std::string& str); std::string trim(const std::string& str); std::string toLower(const std::string& str); std::string toUpper(const std::string& str); bool startsWith(const std::string& str, const std::s...
string::iterator i; for(i = str.end() -1; ;i--) { if(!isspace(*i)) { str.erase(i +1, str.end()); break; } if(i == str.begin()) { str.clear(); break; } } Trim two-sided spaces Trim left spaces then trim right spaces. Thus two-sided spaces are trimed. ...
string::find_last_not_of 这两个可以去除首尾的空格 /***begin test file***/ #include <iostream> #include <string> int main() { std::string str1 = " hello world! "; std::string trimstring = " "; std::cout << "str = \"" << str1 << "\"" << std::endl; std::cout <...
#include <string> int main() { std::string str1 = " hello world! "; std::string trimstring = " "; std::cout << "str = \"" << str1 << "\"" << std::endl; std::cout << "str.find_first_of(' ') : " << str1.find_first_of(trimstring) << std::endl; ...
func trimAsciiLeft() func trimAsciiRight() func trimLeft(String) func trimRight(String) func tryGet(Int64) operator func !=(String) operator func *(Int64) operator func +(String) operator func <(String) operator func <=(String) operator func ==(String) operator func >(String) operator fu...
You can create a String from a literal string with String::from: let hello = String::from("Hello, world!");Run You can append a char to a String with the push method, and append a &str with the push_str method: let mut hello = String::from("Hello, "); hello.push('w'); he...
Struct std::string::String1.0.0· source· [−] pub struct String { /* private fields */ } 一个UTF-8 编码的可增长字符串。 String 类型是最常见的字符串类型,拥有对该字符串内容的所有权。它与其借用的对应物,原始的 str 有着密切的关系。 Examples 您可以使用 String::from 从一个 字符串字面...