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Message Posted: Tue, 06 May 2008 @ 15:01:02 GMT

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This approach was my first thought as well. However, I quickly realized that it would only work if the 'R' followed by the digits is the first R in the string because POSITION stops at the first occurance. Therefore, if an R appears any where in any text before the R and digits, it will miss that occurance.

     > > sel COLUMN1  FROM TABLE_NAME
     > > WHERE SUBSTRING (COLUMN1 FROM (POSITION('R' IN COLUMN1) ) FOR 2) BETWEEN
     > > 'R0' AND 'R9'
     > >
     > > R followed by 2 digit:
     > >
     > > sel COLUMN1  FROM TABLE_NAME
     > > WHERE SUBSTRING (COLUMN1 FROM (POSITION('R' IN COLUMN1) + 1) FOR 1)
     > > BETWEEN '0' AND '9' and
     > > SUBSTRING (COLUMN1 FROM (POSITION('R' IN COLUMN1) + 2) FOR 1) BETWEEN
     > > '0' AND '9'

Regards,

Michael Larkins
Certified Teradata Master
Certified Teradata SQL Instructor

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