Fix quadratic performance of regexp match/split functions

When Who What
2018-08-28 11:22:00 Andrew Gierth (rhodiumtoad) Closed in commitfest 2018-09 with status: Committed
2018-08-28 11:21:45 Andrew Gierth (rhodiumtoad) Added rhodiumtoad as committer
2018-08-16 03:41:01 Kaiting Chen (ktchen14) Posted comment with messageid <153439086187.1388.4636958239048294213.pgcf@coridan.postgresql.org>
2018-08-13 03:34:46 Andrew Gierth (rhodiumtoad) Changed authors to Andrew Gierth (rhodiumtoad)
2018-08-13 03:34:26 Andrew Gierth (rhodiumtoad) Attached mail thread 87pnyn55qh.fsf@news-spur.riddles.org.uk
2018-08-13 03:34:26 Andrew Gierth (rhodiumtoad) Created patch record