Question

Get the first 5 elements of string ? Console app

Asked by: Dream_G

Dear Experts,

I have a variable that contain this:
$V = 1,2,B,4,Yes,4,s,5,T,q,10125411,E

I want to to get the first 5 elements so the result would be like this:
$V = 1,2,B,4,Yes

Waiting for experts, thanks in advance.

Note: I am using vb.net and its Console application.

Regards.

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Asked On
2009-10-22 at 05:03:28ID24834105
Topics

Visual Basic Programming

,

.NET

,

Visual Studio

Participating Experts
1
Points
500
Comments
4

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Answers

 

by: jpaulinoPosted on 2009-10-22 at 05:14:33ID: 25633148

Hi,

You can this way:

            Dim str As String = "$V = 1,2,B,4,Yes,4,s,5,T,q,10125411,E"
            Dim result As String() = str.Split(","c)
            If result.Length >= 5 Then
                Dim finalString As String = String.Format("{0},{1},{2},{3},{4}", result(0), result(1), result(2), result(3), result(4))
 
                Stop ' check the result
            End If

                                              
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by: Dream_GPosted on 2009-10-22 at 05:30:43ID: 25633286

Hi jpaulino,

Thanks for your comment and code, the code work fine with 5 but it did not work for example with 4 or 3 because I have to write manually the (result(0)) ?

Is there way to made it automatically change the number of elements so I can change it from 5 to 4 ? Thanks.

 

by: jpaulinoPosted on 2009-10-22 at 05:35:49ID: 25633333

Where you have:

            Dim str As String = "$V = 1,2,B,4,Yes,4,s,5,T,q,10125411,E"
            Dim result As String() = str.Split(","c)
            If result.Length >= 4 Then
 
                Dim finalString As String = String.Empty
                For x As Integer = 0 To 4
                    finalString &= result(x) & ","
                Next
 
                finalString = finalString.Remove(finalString.Length - 1, 1)
 
                Stop ' check the result
            End If

                                              
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by: Dream_GPosted on 2009-10-22 at 05:46:40ID: 31644440

Thanks mate.

20120131-EE-VQP-002

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