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  1. #include <iostream>
  2. #include <string>
  3. #include <regex>
  4.  
  5. using namespace std;
  6.  
  7. int main()
  8. {
  9.   for (string s; cin >> s; )
  10.     cout << s << " - " << boolalpha
  11.       << regex_match
  12.          (
  13.            begin(s),
  14.            end(s),
  15.            regex("^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])[0-9a-zA-Z]{8,}$")
  16.          )
  17.       << endl;
  18.  
  19.   return 0;
  20. }
Success #stdin #stdout 0s 15328KB
comments (?)
stdin 
Qwe123
Qwer1234
qwER777tt
123qwe1Q
123qwe1q
&&&hhh777Q
Qwe
qweqeweqeqweqrwr
stdout 
Qwe123 - false
Qwer1234 - true
qwER777tt - true
123qwe1Q - true
123qwe1q - false
&&&hhh777Q - false
Qwe - false
qweqeweqeqweqrwr - false
https://ideone.com/PLXadQ
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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