REGEXP_SUBSTR returns one occurrence of a substring of a string that matches the regular expression pattern.

Extracting categories from product codes, getting domains from email addresses, concatenating multiple values for labels—string processing is a daily occurrence. First, it is recommended to organize ...

Is it possible to order by a substring in a returned field?<BR>I've got a query which returns at most probably around 10 or so rows of 1 column. However the way this data is formated, it'd be convient ...

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 ...