On Thu, Aug 5, 2021 at 9:43 AM Andrew Dunstan <and...@dunslane.net> wrote: > On 8/4/21 6:15 PM, Tom Lane wrote: > > Here's a little finger exercise that improves a case that's bothered me > > for awhile. In a POSIX regexp, parentheses cause capturing by default; > > you have to write the very non-obvious "(?:...)" if you don't want the > > matching substring to be reported by the regexp engine. > It's not obscure to perl programmers :-)
Well, I consider myself a pretty fair perl programmer, and I know there's a way to do that, but I never do it, and I would have had to look up the exact syntax. So +1 from me for anything automatic that avoids paying the overhead in some cases. -- Robert Haas EDB: http://www.enterprisedb.com
