Multiple regex options with C# Regex

Question

Assume I have this:

Regex.Replace(\"aa cc bbbb\",\"aa cc\",\"\",RegexOptions.IgnoreCase);

But I also need to ignore white-spaces. So, I fo

Answer 1

Use bitwise OR (|)

Regex.Replace("aa cc bbbb",
                "aa cc",
                "",
                RegexOptions.IgnoreCase | RegexOptions.IgnorePatterWhitespace);