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How to remove last characters of String if they contain " "

I want to remove the last characters which are " " but the number of empty characters in the end varies.

sometimes it is:

"hello "

"hello "

"hello "
Jun 23 '22 #1
3 15201
213 Expert 128KB
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  1. InputText = "Hello  "
  2. CleanedText = RTrim(InputText)
  4. ' CleanedTect -> "Hello"
Jun 24 '22 #2
2 2Bits
Remove Last Characters Of String using pop_back();

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  1. #include <iostream>
  2. using namespace std;
  3. int main()
  4. {
  5.    string str;
  6.    cin >> str;
  7.    cout<<"Original String: "<<str<<endl;
  8.    str.pop_back();
  9.    cout<<"Required String: "<<str<<endl;
  10.    return 0;
  11. }

Remove Last Characters Of String using substr();

Expand|Select|Wrap|Line Numbers
  1. #include <iostream>
  2. using namespace std;
  3. int main() {
  4.    string str;
  5.    cin >> str;
  6.    cout<<"Original String: "<<str<<endl;
  7.    cout<<"Required String: "<<str.substr(0, str.size() - 1)<<endl;
  8.    return 0;
  9. }
Jun 27 '22 #3
1 Bit
In python you can use the strip() method. For example :
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  1. name = " hello "
  2. print(name.strip())
The output of the code will be: hello
Jul 12 '22 #4

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