[VB.NET]Change certain text color?

Anyway I'm looking for a way to change text color, for instance if it contains "value" then I need the text to turn blue. So far I have this: but is there any other way?

Code:

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    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        If (RichTextBox1.Text.Contains("value]")) Then
            RichTextBox1.SelectionStart = RichTextBox1.Find("value")

            Dim theColor As System.Drawing.Color
            theColor = Color.Blue
            RichTextBox1.SelectionColor = theColor
        End If
    End Sub

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Will you be using this for multiple colours, such as a custom style colour selector?

I'm going to make it sort of like a coding system hopefully, where "version" is always red, and "Name" is always blue etc.

Code:

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(RichTextBox1.Text.Contains("value]")) Then

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im taking that "value]" is just a mistake when adding the post right?

I actually meant value sorry, but I've been trying for ever and I've failed so much, someone please help

this should do it for an richtextbox.

Code:

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                    RichTextBox1.ForeColor = Color.Red()
                    RichTextBox1.Text = "Error while downloading"
                    RichTextBox1.AppendText(Environment.NewLine)

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and this code all newlines will be red.
you can use the code multiply times to change the color line be line.