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VBA double quote escaping question

Posted on 2016-10-06
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Last Modified: 2016-10-06
How do you compare two strings when one is
3"
and the other is "3"""
which is the same 3 inches but with the double quote within the string escaped.
I want to do a straight "is string equal"
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Question by:Silas2
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8 Comments
 
LVL 47

Expert Comment

by:Martin Liss
ID: 41832354
You could do

 If Val(first string) = Val(second string) Then
0
 
LVL 47

Assisted Solution

by:Martin Liss
Martin Liss earned 125 total points
ID: 41832364
Or in a formula, something like

=IF(SUBSTITUTE(A1,CHAR(34),"")=SUBSTITUTE(B1,CHAR(34),""),"Equal","Not equal")
0
 

Author Comment

by:Silas2
ID: 41832366
I was thinking along those lines, and stripping all the quotes out, but that's a bit crude and wouldn't catch quite a few possibilities, (although I have to think quite hard to come up with any but in large(ish) volumes there might be some)
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LVL 75
ID: 41832382
If Replace(<SomeVar1>,Chr(34),"") = Replace (<SomeVar2>, Chr(34),"") then
 'whatever
Else
'whateverelse
Endif
0
 
LVL 47

Expert Comment

by:Martin Liss
ID: 41832406
I was thinking along those lines, and stripping all the quotes out, but that's a bit crude and wouldn't catch quite a few possibilities, (although I have to think quite hard to come up with any but in large(ish) volumes there might be some)
If you think of a possibility, let me know.
0
 
LVL 37

Assisted Solution

by:PatHartman
PatHartman earned 125 total points
ID: 41832434
That's just one of the many problems that mushing multiple attributes into a single field causes.  Use one field for just the number and the second for the unit of measure.  EVERY field should be atomic.  That's what first normal form specifies.
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LVL 75

Accepted Solution

by:
DatabaseMX (Joe Anderson - Microsoft MVP, Access and Data Platform) earned 250 total points
ID: 41832448
If only it were a perfect world :-)
0
 
LVL 37

Expert Comment

by:PatHartman
ID: 41832516
I can't tell you how many of these situations I have fixed over the years.  It's almost always better to simply resolve the data problem by splitting the mushed field once.  Then everything else just works better.  Of course if you have no control over the table schema you're SOL.
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