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  1. #include <iostream>
  2. #include <string>
  3. #include <algorithm>
  4. using namespace std;
  5.  
  6. int main() {
  7.  
  8.     string s("Hello 1234 World&*");
  9.     s.erase(remove_if(s.begin(), s.end(), [](char c) { return !isalpha(c); } ), s.end());
  10.     cout << s << endl;
  11.  
  12. 	return 0;
  13. }
Success #stdin #stdout 0s 3228KB
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stdin
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Standard input is empty
stdout
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HelloWorld
https://ideone.com/OIsJmb
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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