//case insensitive
/// <summary> matches the input against the specified string case insensitively.</summary>
/// <param name="str">the string to match
/// </param>
/// <param name="expected_name">the name of the expected pattern.
/// </param>
/// <returns> the scanner.
/// </returns>
public static Scanner IsStringCI(string str, string expected_name)
{
return(IsPattern("isStringCI", Patterns.IsStringCI(str), expected_name));
}
