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  1.  
  2. #include <iostream>
  3. #include <fstream>
  4. #include <string>
  5. #include <sstream>
  6. using namespace std;
  7.  
  8. //removes punctuation, numbers, and extra spaces
  9. void removeNonAlph(string &tmp)
  10. {
  11.      for(int i = 0; i < tmp.length(); i++)
  12.      {
  13.          if (ispunct(tmp[i]))
  14.              tmp.erase(i--, 1);
  15.          else if (isdigit(tmp[i]))
  16.              tmp.erase(i--, 1);
  17.          else if ((tmp[i] == ' ') && (tmp[i+1]) == ' ')
  18.              tmp.erase(i--, 1);
  19.      }
  20.  }
  21.  
  22. int main(int argc, const char * argv[]) 
  23. {
  24.  
  25.     //ifstream file("2.txt");
  26.     istream& file = cin;
  27.     string tmp;
  28.     string words[500];
  29.  
  30.     while (getline(file, tmp))
  31.     {
  32.         removeNonAlph(tmp);
  33.         // tolower(tmp);
  34.         cout << tmp << endl;
  35.     }
  36.  
  37.     // file.close();
  38. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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How are you?

I'm fine, thanks.
stdout
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How are you

Im fine thanks
https://ideone.com/5HK0bR
language:
C++14 (clang 8.0)
created:
8 years ago
visibility:
public

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