ICPC note (4) - string 基本操作

append

+=

string name ("John");
string family ("Smith");
name += " K. ";         // c-string
name += family;         // string
name += '\n';           // character

append

string name ("John");
string family ("Smith");
name.append(" K. ");    // c-string
name.append(family);    // string
name.append('\n');      // character

push_back

string line ("This is a line.");
line.push_back('\n');   // character

erase

erase

str.erase(pos, len);

pop_back

str.pop_back();

find

find string

str.find(str2);  // return iterator
str.rfind(str2); // find last

find charactor

str.find_first_of(char); // return iterator
str.find_last_of(char);  // find last

substr

str.substr(pos, len);
str.substr(pos);      // from pos to end