substr - Read For Learn

What is the difference between String.slice and String.substring?

slice() works like substring() with a few different behaviors. What they have in common: If start equals stop: returns an empty string If stop is omitted: extracts characters to the end of the string If either argument is greater than the string’s length, the string’s length will be used instead. Distinctions of substring(): If start > stop, then substring will swap those 2 arguments. If either argument … Read more

terminate called after throwing an instance of ‘std::out_of_range’ what(): basic_string::substr

What you experience is probably a case of an exception falling off main(), which terminates the program and gives an OS-specific error message like the one you posted. As a first measure, you can catch exceptions in main(). This will prevent your program from crashing. Now that you have this mechanism in place, you can actually hunt … Read more