- #include <iostream> 
- #include <string> 
- #include <regex> 
- using namespace std; 
-   
- int main() { 
- 	string str("abcdefabcghiabc"); 
- 	int i = 0; 
- 	regex rgx1("abc"); 
- 	smatch smtch; 
- 	while (regex_search(str, smtch, rgx1)) { 
- 			std::cout << i << ": " << smtch[0] << std::endl; 
- 			i += 1; 
- 			str = smtch.suffix().str(); 
- 		} 
-   
- 	return 0; 
- } 
-   
-   
-   
				I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8c3RyaW5nPgojaW5jbHVkZSA8cmVnZXg+CnVzaW5nIG5hbWVzcGFjZSBzdGQ7CgppbnQgbWFpbigpIHsKCXN0cmluZyBzdHIoImFiY2RlZmFiY2doaWFiYyIpOwoJaW50IGkgPSAwOwoJcmVnZXggcmd4MSgiYWJjIik7CglzbWF0Y2ggc210Y2g7Cgl3aGlsZSAocmVnZXhfc2VhcmNoKHN0ciwgc210Y2gsIHJneDEpKSB7CgkJCXN0ZDo6Y291dCA8PCBpIDw8ICI6ICIgPDwgc210Y2hbMF0gPDwgc3RkOjplbmRsOwoJCQlpICs9IDE7CgkJCXN0ciA9IHNtdGNoLnN1ZmZpeCgpLnN0cigpOwoJCX0KCglyZXR1cm4gMDsKfQoKCg==