Find method in std::wstring

c++ string wstring
Prabhu picture Prabhu · Dec 27, 2011 · Viewed 16.4k times · Source

I have declared Wstring as follows

wstring strID

When I try to find the occurrences sub-string as follows

int index =   strID.find("LABS");

I am getting error like the following

error C2664: 'unsigned int std::basic_string<_Elem,_Traits,_Ax>::find(const std::basic_string<_Elem,_Traits,_Ax> &,unsigned int) const' : cannot convert parameter 1 from 'const char [13]' to 'const std::basic_string<_Elem,_Traits,_Ax> &'

Can you please help me to find the occurrences of sub-string?

Answer

Bo Persson picture Bo Persson · Dec 27, 2011

When searching a wstring, you need to have the parameter as a wide string as well

int index =   strID.find(L"LABS"); 
                         ^

Related questions

std::wstring VS std::string

I am not able to understand the differences between std::string and std::wstring. I know wstring supports wide characters such as Unicode characters. I have got the following questions: When should I use std::wstring over std::string? Can …

Read More
C++ Convert string (or char*) to wstring (or wchar_t*)

string s = "おはよう"; wstring ws = FUNCTION(s, ws); How would i assign the contents of s to ws? Searched google and used some techniques but they can't assign the exact content. The content is distorted.

Read More
Case insensitive std::string.find()

I am using std::string's find() method to test if a string is a substring of another. Now I need case insensitive version of the same thing. For string comparison I can always turn to stricmp() but there doesn't seem …

Read More