It’s easy enough if you are using std::string
to hold your value.
#include <string>
#include <algorithm>
std::string input = ...;
input.erase(std::remove(input.begin(), input.end(), 'Ì'), input.end());
It’s more complex if you insist on using C strings or arrays.
I see from the comments above that you are using C strings. I suggest you switch to using C++ strings.
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solved how to remove Ì from data in C [closed]