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  1. #include <iostream>
  2. #include <string>
  3. #include <regex>
  4. using namespace std;
  5.  
  6. int main() 
  7. {
  8.     string s = "中文123,英文abc...";
  9.     string r = "";
  10.     const char* c = s.c_str();
  11.     for (int i = 0; i < s.length(); i++)
  12.     	if (c[i] > 256 || c[i] < 0)
  13.     		r += c[i];
  14. 	cout << r << endl;
  15. }
Success #stdin #stdout 0s 3460KB
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stdin
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Standard input is empty
stdout
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中文英文
https://ideone.com/z2yjD1
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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