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MS Access query to parse string into 2 records

Posted on 2014-01-06
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423 Views
Last Modified: 2014-01-06
I have a text field called "Title" with records like this:

Selexipag for pulmonary arterial hypertension
Rilotumumab (AMG-102) for Gastric tumors with high MET expression
Vicrostatin for Cancer


I would like to parse these records in 2 fields: Drug and Indication, so that the query return two columns:

Drug                                   Indication
Selexipag                            pulmonary arterial hypertension
Rilotumumab (AMG-102)   Gastric tumors with high MET expression
Vicrostatin                          Cancer
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Question by:tomfolinsbee
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5 Comments
 
LVL 47

Expert Comment

by:Dale Fye (Access MVP)
ID: 39759377
if the term "for" will separate the drug from the indication, then you could use something like:

SELECT Left([yourFieldname], instr([yourFieldName], "for") -1) as Drug,
             Mid([yourFieldname], instr([yourFieldName], "for") + 4) as Indication
FROM yourtable
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LVL 35

Accepted Solution

by:
PatHartman earned 500 total points
ID: 39759390
Lecture first - fields should be atomic.  They should never contain multiple attributes.

If the field is reliably constructed so that the drug and indication are ALWAYS separated by the word " for " surrounded by spaces, you can use that string as the delimiter.

SELECT Table1.Title, Left([Title],InStr([Title]," for ")-1) AS Drug, Mid([Title],InStr([texTitlet1]," for ")+5) AS indication
FROM Table1;

If there is any deviation in the formatting of the string, all bets are off.
0
 

Author Closing Comment

by:tomfolinsbee
ID: 39759413
Worked perfectly first time. Thank you!
0
 
LVL 47

Expert Comment

by:Dale Fye (Access MVP)
ID: 39759433
Guess I should have used [Title] instead of [YourFieldName]!
0
 

Author Comment

by:tomfolinsbee
ID: 39759441
Dale, very sorry. I didn't see your post, I should have scrolled up. Small screen. Again apologies for not splitting the points. My mistake...
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