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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <string>
  4. using namespace std;
  5.  
  6. int main() {
  7.  
  8. 	std::string str = "1a2b3c";
  9.  
  10. 	std::remove_if(str.begin(), str.end(), [](const int c) { return !isalpha(c); });
  11. 	std::cout << str;
  12.  
  13. 	return 0;
  14. }
Success #stdin #stdout 0s 3472KB
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Standard input is empty
stdout
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abcb3c
https://ideone.com/katlr3
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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