I have a column of data with values resembling this: HL7_Result_for_Message_ID_123Q324343.hl7 I need to grab that ID number (in bold), the challenge being that it can be any and all lengths. I have ...

REGEXP_SUBSTR extends the functionality of the SUBSTR function by letting you search a string for a regular expression pattern. It is also similar to REGEXP_INSTR, but instead of returning the ...

So I was handed a VERY complex script simply to turn into a pipe delimited file. The problem is that I cant seem to trim anything that used substring. for example I have tried all of these with no ...

select phone_number, substr(phone_number, instr(phone_number, '.', 1,1)+1, instr(phone_number, '.', 1,2)-instr(phone_number, '.', 1,1)) melumat from hr.employees ...