check the existence of string

>>or is there a better way to check the existence of "py" in a string
>>"s"?
>>>
>> string s = "djrfpyfd";
>> string t = "py";
>> string r = s.substr(s.find("py"),2);
>> cout << (t==r) << endl;

>>Gary Wessle wrote:
>>>or is there a better way to check the existence of "py" in a string
>>>"s"?
>>>>
>>> string s = "djrfpyfd";
>>> string t = "py";
>>> string r = s.substr(s.find("py"),2);
>>> cout << (t==r) << endl;
>>>
>>'find' returns 'std::string::npos' if the [sub]string is NOT found.
>>So, if you just wanted to check the existence, you just need to
>>check the return value of 'find'. There is no need to extract and
>>compare. RTFM
>>>
>>V
>>--
>>Please remove capital 'A's when replying by e-mail
>>I do not respond to top-posted replies, please don't ask

>>error: expected primary-expression before 'return'
>>error: expected `:' before 'return'
>>error: expected primary-expression before 'return'
>>error: expected `;' before 'return'
>>error: expected primary-expression before ':' token
>>error: expected `;' before ':' token

>>"Victor Bazarov" <v.Abazarov@comAcast.netwrites:
>>>
>>>Gary Wessle wrote:
>>>>or is there a better way to check the existence of "py" in a
>>>>string "s"?
>>>>>
>>>> string s = "djrfpyfd";
>>>> string t = "py";
>>>> string r = s.substr(s.find("py"),2);
>>>> cout << (t==r) << endl;
>>>>
>>>'find' returns 'std::string::npos' if the [sub]string is NOT found.
>>>So, if you just wanted to check the existence, you just need to
>>>check the return value of 'find'. There is no need to extract and
>>>compare. RTFM
>>>>
>>>V
>>>--
>>>Please remove capital 'A's when replying by e-mail
>>>I do not respond to top-posted replies, please don't ask
>>>
>>the fix:
>> string s = "djrfpyfd";
>> string t = "pyd";
>> if ( (s.find(t,0))!= string::npos )
>> cout << "found" << endl;
>>>
>>however the next does not work
>>>
>>#include <string>
>>using std::string;
>>>
>>( (s.find(t,0))!= string::npos ) ? return 2.0 : return 4.0;
>>>
>>I get
>>>error: expected primary-expression before 'return'
>>>error: expected `:' before 'return'
>>>error: expected primary-expression before 'return'
>>>error: expected `;' before 'return'
>>>error: expected primary-expression before ':' token
>>>error: expected `;' before ':' token