wstring find case insensitive
#include <string>
#include <iostream>
#include <algorithm>
#include <iterator>
#include <cctype>
using namespace std;
inline bool caseInsCharCompSingle(char a, char b) {
return(toupper(a) == b);
}
string::const_iterator caseInsFind(string& s, const string& p) {
string tmp;
transform(p.begin(), p.end(), // Make the pattern
back_inserter(tmp), // upper-case
toupper);
return(search(s.begin(), s.end(), // Return the iter-
tmp.begin(), tmp.end(), // ator returned by
caseInsCharCompSingle)); // search
}
int main() {
string s = "row, row, row, your boat";
string p = "YOUR";
string::const_iterator it = caseInsFind(s, p);
if (it != s.end()) {
cout << "Found it!n";
}
}