changing characters

[sg225551]

hi

I have a string and i would like to change each character in the string to another character.

For example, from "password" i then increase by 2 postion of each character to "rcuuyqtf".

 

[jmcilhinney]

What have you got so far?

 

[sg225551]

I just want to write a routine that can do that and i don't know how to. Thanks

 

[jmcilhinney]

I would use a For Each loop to loop through the Chars in the String. For each character you'll want to apply the transformation and then add the result to a new String. You can just use two arrays of Chars to provide the transformation. There are other ways to do it but that's probably the easiest.

 

[sg225551]

hi

Thanks but i am stuck here.

For i As Integer = 0 To strOriginal.Length - 1
strApp.Append(strOriginal(i.ToString))
Next i
TextBox2.Text = strApp.ToString

 

[jmcilhinney]

The first thing to note is that I said this:

I would use a For Each loop to loop through the Chars in the String.

and I don't see any For Each loop in your code.

That said, you can use a For loop and get the Chars from the String by index, but you get them by a NUMERICAL index. You've already got the index and you're converting it to a String. No. Use the number, not a string representation of the number.