C# function to get the string between 2 strings

gistfile1.cs

//This function gets the string between 2 strings

//Usage
string myString = "<span>Joe Smith</span>";
string [] result = GetStringInBetween("<span>", "</span>", myString);
string output = result[0];
string next = result[1];

//Function

public static string[] GetStringInBetween(string strBegin,
    string strEnd, string strSource,
    bool includeBegin, bool includeEnd)           
{
    string[] result ={ "", "" };
    int iIndexOfBegin = strSource.IndexOf(strBegin);
    if (iIndexOfBegin != -1)
    {
        // include the Begin string if desired
        if (includeBegin)
            iIndexOfBegin -= strBegin.Length;
        strSource = strSource.Substring(iIndexOfBegin
            + strBegin.Length);
        int iEnd = strSource.IndexOf(strEnd);
        if (iEnd != -1)
        {
            // include the End string if desired
            if (includeEnd)
                iEnd += strEnd.Length;
            result[0] = strSource.Substring(0, iEnd);
            // advance beyond this segment
            if (iEnd + strEnd.Length < strSource.Length)
                result[1] = strSource.Substring(iEnd
                    + strEnd.Length);
        }
    }
    else
        // stay where we are
        result[1] = strSource;
    return result;
}