[Mono-list] C# Regular Expressions Help Urgent

[LaVey]

hi there...   I am having problems replacing the following string...   string str_Content="The day is [so bad] for me"; str_Content = Regex.Replace(str_Content,"[so Bad]","[new replace string]",RegexOptions.IgnoreCase);   how do I replace my "[so bad]" to "[new replace string]"   regards, Nigil