Is there any way to trim the end of a string in c++?

Question

Is there any way to trim everything after a given character, let's say '_' . Is there any way to do that? Example:

string ul = "The quick brown fox jumped over the lazy dog________ dog dog"
int ullocation = ul.find("_")
(code to remove everything after the underline using the int)

https://en.cppreference.com/w/cpp/string/basic_string/substr — Bill Lynch, Dec 03 '20 at 20:07
I can't make a substring for this, as it has to be the same variable. @BillLynch — flying, Dec 03 '20 at 20:08
This last example on this page documenting `std::string::erase` does exactly what you want: https://en.cppreference.com/w/cpp/string/basic_string/erase — Ben Voigt, Dec 03 '20 at 20:09

score 2 · Answer 1 · answered Dec 03 '20 at 20:10

2

Use std::string::find() and std:string::erase(), eg:

string ul = "The quick brown fox jumped over the lazy dog________ dog dog";
string::size_type idx = ul.find("_");
if (idx != string::npos) ul.erase(idx);

Live Demo

answered Dec 03 '20 at 20:10

Remy Lebeau

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Is there any way to trim the end of a string in c++?

1 Answers1