60 lines
2.4 KiB
C++
60 lines
2.4 KiB
C++
|
// fig08_06.cpp
|
||
|
|
// Demonstrating the string find member functions.
|
||
|
|
#include <fmt/format.h>
|
||
|
|
#include <iostream>
|
||
|
|
#include <string>
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
const std::string s{"noon is 12pm; midnight is not"};
|
||
|
|
std::cout << "Original string: " << s;
|
||
|
|
|
||
|
|
// find "is" from the beginning and end of s
|
||
|
|
std::cout << fmt::format("\ns.find(\"is\"): {}\ns.rfind(\"is\"): {}",
|
||
|
|
s.find("is"), s.rfind("is"));
|
||
|
|
|
||
|
|
// find 'o' from beginning
|
||
|
|
int location{s.find_first_of("misop")};
|
||
|
|
std::cout << fmt::format("\ns.find_first_of(\"misop\") found {} at {}",
|
||
|
|
s.at(location), location);
|
||
|
|
|
||
|
|
// find 'o' from end
|
||
|
|
location = s.find_last_of("misop");
|
||
|
|
std::cout << fmt::format("\ns.find_last_of(\"misop\") found {} at {}",
|
||
|
|
s.at(location), location);
|
||
|
|
|
||
|
|
// find '1' from beginning
|
||
|
|
location = s.find_first_not_of("noi spm");
|
||
|
|
std::cout << fmt::format(
|
||
|
|
"\ns.find_first_not_of(\"noi spm\") found {} at {}",
|
||
|
|
s.at(location), location);
|
||
|
|
|
||
|
|
// find ';' at location 12
|
||
|
|
location = s.find_first_not_of("12noi spm");
|
||
|
|
std::cout << fmt::format(
|
||
|
|
"\ns.find_first_not_of(\"12noi spm\") found {} at {}",
|
||
|
|
s.at(location), location);
|
||
|
|
|
||
|
|
// search for characters not in "noon is 12pm; midnight is not"
|
||
|
|
location = s.find_first_not_of("noon is 12pm; midnight is not");
|
||
|
|
std::cout << fmt::format("\n{}: {}\n",
|
||
|
|
"s.find_first_not_of(\"noon is 12pm; midnight is not\")",
|
||
|
|
location);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/**************************************************************************
|
||
|
|
* (C) Copyright 1992-2022 by Deitel & Associates, Inc. and *
|
||
|
|
* Pearson Education, Inc. All Rights Reserved. *
|
||
|
|
* *
|
||
|
|
* DISCLAIMER: The authors and publisher of this book have used their *
|
||
|
|
* best efforts in preparing the book. These efforts include the *
|
||
|
|
* development, research, and testing of the theories and programs *
|
||
|
|
* to determine their effectiveness. The authors and publisher make *
|
||
|
|
* no warranty of any kind, expressed or implied, with regard to these *
|
||
|
|
* programs or to the documentation contained in these books. The authors *
|
||
|
|
* and publisher shall not be liable in any event for incidental or *
|
||
|
|
* consequential damages in connection with, or arising out of, the *
|
||
|
|
* furnishing, performance, or use of these programs. *
|
||
|
|
**************************************************************************/
|