Remove a random expression from string

Question

I have a string/column something like this

String a = \"000003023_AggregateStopLossLimit_W x3A 973911_2012-12-22.PDF\";

I want to create a subs

Answer 1

You should replace REGEX_REPLACE function.

http://docs.oracle.com/cd/B12037_01/server.101/b10759/functions115.htm#SQLRF06302