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Trying to use REGEXP_INSPR to identify if a VARCHAR(50) column contains data that can be converted to Decimal(8,2) and if so convert it.  Below is my SELECT:

Hi,
 
I am trying to call for REGEXP_INSTR , but despite being on :
InfoKey,InfoData
RELEASE,14.00.04.08
LANGUAGE SUPPORT MODE,Standard
VERSION,14.00.04.07
I am getting 5589 error telling that REGEXP_INSTR function does not exist?
fyi, REGEXP_SUBSTR is calle without trouble.