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  1. #include <iostream>
  2. #include <string>
  3. #include <regex>
  4.  
  5. int main(){
  6.   // Variables for user input
  7.   std::string input_line("     #load     \"my   folder/my  files/    program.prog\"     ;");
  8.   // Remove leading/trailing whitespaces
  9.   input_line = std::regex_replace(input_line, std::regex(R"(^ +| +$|(\"[^\"\\]*(?:\\[\s\S][^\"\\]*)*\")|( ) +)"), "$1$2");
  10.  
  11.   // Check result
  12.   std::cout << input_line << std::endl;
  13.  
  14.   return 0;
  15. }
Success #stdin #stdout 0s 4496KB
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stdin
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Standard input is empty
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#load "my   folder/my  files/    program.prog" ;
https://ideone.com/cTS7cl
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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