Quickly Replace Data in a String Array using LINQ

LINQ is amazingly flexible. Recently, I came across a client requirement where the client wanted to replace all '@' characters in emails with the text [attherate]. Here's how it can be done easily using LINQ. The same can also be done by looping through the array and replacing it, but LINQ gives you a lot of flexibility in filtering the data.

C#

        string[] emails = { "Shakiy@gmail.com", "Mary@hotmail.com", "Glenn@gmail.com", "Hillock@yahoo.com"};

 

        var modEmail = from em in emails

                           select new

                           {

                               EmailID = em,

                               ModifiedEmail = Regex.Replace(em, "[@]", "[attherate]")

                           };

 

        foreach (var mo in modEmail)

        {

            Response.Write(mo.ToString() + "<br/>");

        }

VB.NET

Private emails() As String = {"Shakiy@gmail.com", "Mary@hotmail.com", "Glenn@gmail.com", "Hillock@yahoo.com"}

 

var modEmail = from em in emails ReadOnly Property [New]() As select

                       em, ModifiedEmail = Regex.Replace(em, "[@]", "[attherate]")

                       EmailID = em, ModifiedEmail

End Property

 

For Each mo In modEmail

    Response.Write(mo.ToString() & "<br/>")

Next mo

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About The Author

Suprotim Agarwal, ASP.NET Architecture MVP works as an Architect Consultant and provides consultancy on how to design and develop Web applications.

Suprotim is also the founder and primary contributor to DevCurry, DotNetCurry and SQLServerCurry. He has also written an EBook 51 Recipes using jQuery with ASP.NET Controls.

Follow him on twitter @suprotimagarwal