Why does Labview insert quotations in the case structure selector box?

Question

I was building a case structure with an array of strings.  So, I copied the strings from the array on the FRONT PANEL directly into the SELECTOR LABEL.  My 3 strings have the form; to me, these are 5- character strings with spaces, or 7 characters if you count the spaces as string characters 
A, B, C   
A, B, D
A, B, E
So, when I copied and pasted them directly into the selector box A, B, C appeared as "A", "B", "C" and A, B, D appeared as "A", "B", "C" and then I got an error for selector values not unique.  Why didn't it appear as "A, B, C"?
Why did it transform the string I pasted and insert the quotation marks?  I used no quotation marks in my array.  Does the selector label interpret commas as functional characters that require quotation marks??
Thanks,
Dave 

Answer 1

dav2010 wrote:
I was building a case structure with an array of strings.  So, I copied the strings from the array on the FRONT PANEL directly into the SELECTOR LABEL.  My 3 strings have the form; to me, these are 5- character strings with spaces, or 7 characters if you count the spaces as string characters 
A, B, C   
A, B, D
A, B, E
So, when I copied and pasted them directly into the selector box A, B, C appeared as "A", "B", "C" and A, B, D appeared as "A", "B", "C" and then I got an error for selector values not unique.  Why didn't it appear as "A, B, C"?
Why did it transform the string I pasted and insert the quotation marks?  I used no quotation marks in my array.  Does the selector label interpret commas as functional characters that require quotation marks??
Thanks,
Dave 
Actually in CASE STRUCTURE, any frame can have multiple values as 'Case Selector value' and these are separated by a comma. Also if you choose to operate a CASE STRUCTURE using string, it will automatically prefixs & suffixs quotes (") to that string.
But you can enter  "A, B, C" manually and it will remain as it is. But if you copy and paste A, B, C, the CASE STRUCTURE will automatically change it to "A", "B", "C".
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