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Convert Varchar to Decimal


Convert Varchar to Decimal

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john.arnott
john.arnott
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Went looking on the net and found an answer right here in SSC (of course!!). If you want to test for all digits, the expression NOT LIKE '%[^0-9]%' should do it. Do read the entire post from Jeff Moden about testing for numbers.
raguyazhin
raguyazhin
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PATINDEX('%[^0-9]%', LHP_PARAM_RESULT_VALUE) = 0

I am just mentioned a name only.
raguyazhin
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PATINDEX('%[^0-9]%', LHP_PARAM_RESULT_VALUE) = 0
john.arnott
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raguyazhin (2/14/2013)
PATINDEX('%[^0-9]%', LHP_PARAM_RESULT_VALUE) = 0

The key, then, is the Not-to-match operator, "^". Zero returned means PATINDEX() found no characters other than digits, 0-9. Got it! Thanks for the clarification.
MMartin1
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In your query you are casting as decimal(18,2). Are your numbers always going to be whole numbers?

The following example
select PATINDEX('%[^0-9]%', '1234234.20') 


does not return zero.

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