How to replace text in a string

Question

This is my code, I want to replace the word "here" with "potato" in the simplest way.

Private Sub btnreplace_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)      Handles btnreplace.Click
    txttyping.Text.Replace("here", "potato")
End Sub

Ňɏssa Pøngjǣrdenlarp · Accepted Answer · 2016-02-19 17:34:28Z

3

Strings (text) are immutable. This means they cannot be changed directly, to alter one, a new string is created/returned.

txttyping.Text = txttyping.Text.Replace("here", "potato)

Replace() returns a new string which needs to be assigned. This is true for all the String methods which change the string: ToLower(), ToUpper(), Remove(), PadLeft(), Copy(), Remove(), TrimEnd().

See MSDN String Class:

A String object is called immutable (read-only), because its value cannot be modified after it has been created. Methods that appear to modify a String object actually return a new String object that contains the modification.

edited Feb 19, 2016 at 17:34

answered Nov 27, 2013 at 5:45

Ňɏssa Pøngjǣrdenlarp

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Comments

Arun Green · Accepted Answer · 2014-06-06 17:50:35Z

0

since its a particular word you can use simple text replacement other than using regex.replace()

try this

txttyping.Text = Replace(txttyping.Text, "here", "potato")

here replace(sourcestring,findword,replaceword)

edited Jun 6, 2014 at 17:50

answered Jun 6, 2014 at 17:42

Arun Green

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