"rlee0001" <[EMAIL PROTECTED]> writes: > My problem is with SUBSTRING. When it fails to find a match for the > regexp pattern within the source string it returns NULL. Why?!
Because the SQL standard says so. Of course, you're free to wrap the built-in function in your own function that has behavior you like better for this case... regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly