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  1. #include <algorithm>
  2. #include <iostream>
  3. #include <regex>
  4. #include <string>
  5. #include <utility>
  6. #include <vector>
  7.  
  8. std::regex operator ""_re (char const * const str, std::size_t)
  9. {
  10. 	return std::regex { str };
  11. }
  12.  
  13. class split
  14. {
  15. public:
  16. 	split(std::regex splitter, std::string original)
  17. 		: splitter_ { std::move(splitter) }
  18. 		, original_ { std::move(original) }
  19. 	{
  20. 	}
  21.  
  22. 	auto begin() const
  23. 	{
  24. 		return std::sregex_token_iterator { original_.begin(), original_.end(), splitter_, -1 };
  25. 	}
  26.  
  27. 	auto end() const
  28. 	{
  29. 		return std::sregex_token_iterator {};
  30. 	}
  31.  
  32. 	template <typename Container>
  33. 	operator Container () const
  34. 	{
  35. 		return { begin(), end() };
  36. 	}
  37.  
  38. private:
  39. 	std::regex splitter_;
  40. 	std::string original_;
  41. };
  42.  
  43. int main()
  44. {
  45. 	using namespace std::literals::string_literals;
  46.  
  47. 	std::vector<std::string> const words = split {
  48. 		R"(\s+)"_re,
  49. 		"hello\tdarkness     my\nold friend"s
  50. 	};
  51.  
  52. 	for (auto const & word : words)
  53. 		std::cout << word << "\n";
  54.  
  55. 	for (auto const & number : split { ","_re, "23,42,1337" })
  56. 		std::cout << number << "\n";
  57.  
  58. 	return 0;
  59. }
  60.  
Success #stdin #stdout 0s 3560KB
comments (?)
stdin
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Standard input is empty
stdout
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hello
darkness
my
old
friend
23
42
1337
https://ideone.com/L6heVN
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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