How to find and replace a specific word in string?

Question

I just want to replace a particular text with blank space in RDLC column.

I want to replace .aspx with "" in every string.

I tried writing

=Replace(Fields!AuditsUserActivity.Value, ".aspx", "")

it works for this kinda lines

Page Applicants.aspx viewed 

but not for these kinda lines:

Data added in Inspectors.aspx

i.e. it removed .aspx from those lines in which .aspx appears in in-between but not for those in which .aspx appears at the end of string.

WHY ?

Update:

I used this but not working

=Replace(Fields!AuditsUserActivity.Value, "@"+".aspx", string.Empty)

Answer 1

string inpString = "abcdeggggy.aspx"; 
string i = Regex.Replace(inpString ,@".aspx", "").Trim();

dont forget add using System.Text.RegularExpressions; namespace

Answer 2

Try this

 string sResult= System.Text.RegularExpressions.Regex.Replace("abc.aspx", @".aspx", "");

Answer 3

Like many others have suggested, you should try using a regex expression. Perhaps try copying this exactly:

=System.Text.RegularExpressions.Regex.Replace(Fields!AuditsUserActivity.Value, ".aspx", "");

Answer 4

Use this simple code:

string result = Regex.Replace("x.aspx", @"\b.aspx\b", string.Empty);