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  1. #include <iostream>
  2. #include <regex>
  3. using namespace std;
  4.  
  5. int main (int argc, const char * argv[]) {
  6. std::string test = R"(
  7. "People"
  8. {
  9.     "Person 1"
  10.     {
  11.         "age"       "34"
  12.         "name"      "John"
  13.         "gender"    "male"
  14.         "skills"
  15.         {
  16.             "skill 1"   "Intelligent"
  17.             "skill 2"   "Wise"
  18.             "skill 3"   "Buff as a bear!"
  19.         }
  20.     }
  21.     "Person 2"
  22.     {
  23.         "age"       "25"
  24.         "name"      "Jamie"
  25.         "gender"    "helicopter"
  26.     }
  27. }
  28. )";
  29. regex reg(R"(("[^"]+")\s+("[^"]+"))");
  30. test = std::regex_replace(test, reg, "$1:$2,");
  31. regex reg2(R"((?:\A|\n)\s*("[^"]+")\s*(\n|\Z))");
  32. test = std::regex_replace(test, reg2, "$1:");
  33. regex reg3(R"(}\s*("[^"]+"):\s*\{)");
  34. test = std::regex_replace(test, reg3, "},\n$1: {");
  35. regex reg4(R"(,\s*})");
  36. test = std::regex_replace(test, reg4, "}");
  37. cout << "{" << test << "}" << endl;
  38. }
Success #stdin #stdout 0s 4464KB
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stdin
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Standard input is empty
stdout
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{"People":{"Person 1":    {
        "age":"34",
        "name":"John",
        "gender":"male","skills":        {
            "skill 1":"Intelligent",
            "skill 2":"Wise",
            "skill 3":"Buff as a bear!"}
    },
"Person 2": {
        "age":"25",
        "name":"Jamie",
        "gender":"helicopter"}
}
}
https://ideone.com/FvyQfh
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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