Question

I have an ASP.NET page that has a value stored in the session object.

I want to pull a value out for a specific key — but remember it’s just a string.

Take for example the string below — what’s the best way to get “FOOBAR” from this string? Is regex the best way?

sometimes it could appear this way:

"?facets=All Groups||Brand&TitleTag=FOOBAR#back"

other times it could appear this way:

"?facets=All Groups||Brand&TitleTag=FOOBAR"

---

UPDATE: SOLUTION

Thanks jglouie for the idea to use ‘ParseQueryString’ — that ultimately did the trick. The code sample you provided was a good start. Below is my final solution:

System.Collections.Specialized.NameValueCollection pairs = HttpUtility.ParseQueryString(facetStateOrURL);
string titleTagValue = pairs["TitleTag"];
if (!String.IsNullOrEmpty(titleTagValue) && titleTagValue.IndexOf('#') > -1)
{
    titleTagValue = titleTagValue.Substring(0, titleTagValue.IndexOf('#'));
}

Thanks again for the help!

Answer 1

What about HttpUtility’s ParseQueryString() method?

http://msdn.microsoft.com/en-us/library/ms150046.aspx

—

Added sample with Jethro’s suggestion:

var string1 = "?facets=All Groups||Brand&TitleTag=FOOBAR#back";
var pairs = HttpUtility.ParseQueryString(string1);

string titleTagValue = pairs["TitleTag"];

if (!string.IsNullOrEmpty(titleTagValue) && titleTagValue.IndexOf('#') > -1)
{
    titleTagValue = titleTagValue.Substring(0, titleTagValue.IndexOf('#'));
}