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August 30, 2008 04:29am pdt
 
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Getting .Split(","c) to ignore commas within quotes

Tags: Vb.NET 2005
Hello experts;

I am reading a CSV file one line at a time and splitting the string into an array.  Some of the CSV fields are strings, others are numbers.  The CustomerName field, for example, is a string that may contain commas.  Is there an efficient way to get the Split function to ignore the delimiter if it is within quotes?

Any help or suggestions would be greatly appreciated.
Thank you in advance

PS I am coding in Vb.NET 2005
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Dim srFile As New StreamReader("C:\temp\PBPSalesHistoryDBUpdater.CSV")
Dim readLine As String = srFile.ReadLine
 
Dim recordCount as Integer = 0
Dim errorCount as Integer = 0
Dim Splitter As String()
 
Do
                    recordCount = recordCount + 1
                    Splitter = readLine.Split(","c)
                    .....
                    readLine = srFile.ReadLine
                   
Loop While String.IsNullOrEmpty(readLine) = False
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Question Stats
Zone: Programming
Question Asked By: gwosgood
Solution Provided By: Idle_Mind
Participating Experts: 5
Solution Grade: A
Views: 147
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[+][-]Accepted Solution by Idle_Mind

Rank: Genius

Accepted Solution by Idle_Mind:

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Comment by gwosgood
Idle Mind,

Perfect solution.  Thank you very much for that idea.  I feel much better using this than installing some third-party software that I dont have executive control over.

A+
 
 
Comment by funwithdotnet
Hease a simple way:
        Dim tempLine As String
        Dim seperatorChar As Char = "|"
        tempLine = readLine.Replace(""",""", seperatorChar)
        tempLine = tempLine.Replace("""", "")
        splitter = tempLine.Split(seperatorChar)

This works great _except_ when one of the fields has only a comma (,). Some CSV files also have a space following the comma-deliteter. Adjust the first line of Replace code as necessary.

I also have another way I'll offer in another comment.

 
 
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