How to use string.substr() function?

by

If I am correct, the second parameter of substr() should be the length of the substring. How about

b = a.substr(i,2);

?

More Related Contents:

  1. Replace part of a string with another string
  2. Replace substring with another substring C++
  3. Check if a string contains a string in C++
  4. How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
  5. C++ string::find complexity
  6. How to remove all substrings from a string
  7. Read whole ASCII file into C++ std::string [duplicate]
  8. How do I read an entire file into a std::string in C++?
  9. How can I convert a std::string to int?
  10. std::string formatting like sprintf
  11. Legality of COW std::string implementation in C++11
  12. C++ convert string to hexadecimal and vice versa
  13. printf with std::string?
  14. How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?
  15. Difference between string and char[] types in C++
  16. how to check if given c++ string or char* contains only digits?
  17. What exactly is the L prefix in C++?
  18. How to call a function by its name (std::string) in C++?
  19. Set precision of std::to_string when converting floating point values [duplicate]
  20. Why is modifying a string through a retrieved pointer to its data not allowed?
  21. Similar String algorithm
  22. Custom manipulator for C++ iostream
  23. Why is there no support for concatenating std::string and std::string_view?
  24. What encoding does std::string.c_str() use?
  25. how to check string start in C++
  26. Padding stl strings in C++
  27. How to compare strings
  28. string::size_type instead of int
  29. How to convert a string of hex values to a string?
  30. Where are string literals stored, and can I modify them?

Leave a Comment