ORA Database Error Messages ORA-12728: invalid range in regular expression August 11, 2015 mpbod ORA-12728: invalid range in regular expression Cause: An invalid range was found in the regular expression. Action: Ensure a valid range is being used. Back to previous menu https://support.oracle.com/ http://www.oracle.com/ Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)