find symbol in richtextbox and read value in side bracks

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i want find a symbol (@) then find Start curly brack till end culry brack and read the value insid bracks..

C#

@{
    var="ak";
}

i tried it but not getting exact result...

pls help thankyou...

Posted 3-Jun-13 22:38pm

Anjanee Kumar Singh

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Sunasara Imdadhusen 4-Jun-13 6:00am

Where is your code?

Anjanee Kumar Singh 4-Jun-13 6:03am

int i = T1.Text.LastIndexOf("@{");
string s = T1.Text.Substring(T1.Text.LastIndexOf("@{"), T1.Text.LastIndexOf("}"));
MessageBox.Show(s);

2 solutions

Solution 1

Hello,

You have an error in the length parameter of the Substring function.
This code (in VB.NET) works fine :

C#

RichTextBox1.Text = "test@{test.fr}"
Dim i As Integer = RichTextBox1.Text.LastIndexOf("@{")
Dim s As String = RichTextBox1.Text.Substring(i, RichTextBox1.Text.LastIndexOf("}") - i + 1)
MessageBox.Show(s)

Posted 4-Jun-13 3:16am

Artefakt94

Comments

Anjanee Kumar Singh 4-Jun-13 9:24am

it is giving only ';' but i need value inside '@{' and '}'

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Artefakt94 · Accepted Answer · 2013-06-04T04:09:00

I modify the function a little (the indexes for Substring call)

VB

Public Class Form1

    Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

        RichTextBox1.Text = "test@{test.fr}"
        Dim i As Integer = RichTextBox1.Text.LastIndexOf("@{")
        Dim s As String = RichTextBox1.Text.Substring(i+2, RichTextBox1.Text.LastIndexOf("}") - (i+2))
        MessageBox.Show(s)

    End Sub

End Class

This code returns "test.fr" in the MessageBox. So, the value between "@{" and "}".