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  1. #include <algorithm>
  2. #include <iomanip>
  3. #include <complex>
  4. #include "assert.h"
  5. #include <cstdio>
  6. #include <regex.h>
  7. #include <stack>
  8. #include <time.h>
  9. #include <cstdlib>
  10. #include <ctype.h>
  11. #include <cctype>
  12. #include <queue>
  13. #include <cmath>
  14. #include <iostream>
  15. #include <sstream>
  16. #include <string>
  17. #include <cstring>
  18. #include <utility>
  19. #include <vector>
  20. #include <map>
  21. #include <numeric>
  22. #include <set>
  23. #include <unistd.h>
  24. #include <bitset>
  25. using namespace std;
  26.  
  27.  
  28. int main(){
  29.  
  30.      regex_t reg;
  31.  
  32.      string pattern = "[^tpr]{2,}";
  33.      string str = "topcoder";
  34.  
  35.      regmatch_t matches[1];
  36.  
  37.      regcomp(&reg,pattern.c_str(),REG_EXTENDED|REG_ICASE);
  38.  
  39.      if (regexec(&reg,str.c_str(),1,matches,0)==0) {
  40.            cout << "Match " ;
  41.            cout << str.substr(matches[0].rm_so,matches[0].rm_eo-matches[0].rm_so) ;
  42.            cout << " found starting at: " ;
  43.            cout << matches[0].rm_so ;
  44.            cout << " and ending at " ;
  45.            cout << matches[0].rm_eo ;
  46.            cout << endl;
  47.       } else {
  48.            cout << "Match not found.";
  49.            cout << endl;
  50.      }
  51.      regfree(&reg);
  52.  
  53.    return 0;
  54. }
  55.  
Success #stdin #stdout 0s 2864KB
comments (?)
stdin 
Standard input is empty
stdout 
Match code found starting at: 3 and ending at 7
https://ideone.com/A3RTBt
language:
C++ 4.3.2 (gcc-4.3.2)
created:
12 years ago
visibility:
public

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