how to check whether a character is present in a string in c++ code example

Example 1: how to check string contains char in c++

std::string s = "Hello";
if (s.find('e') != std::string::npos)
    cout << "Found";
else
    cout << "Not Found";

Example 2: check if char in string c++

std::string s = "hell[o";
if (s.find('[') != std::string::npos)
    ; // found
else
    ; //

Example 3: find in string c++

size_t find (const string& str, size_t pos = 0) const;

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Cpp Example

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