| Age | Commit message (Expand) | Author |
| 2023-05-19 | Pre-beta mechanical code beautification. | Tom Lane |
| 2023-04-21 | Avoid character classification in regex escape parsing. | Jeff Davis |
| 2022-08-24 | Defend against stack overrun in a few more places. | Tom Lane |
| 2021-08-09 | Avoid determining regexp subexpression matches, when possible. | Tom Lane |
| 2021-02-25 | Allow complemented character class escapes within regex brackets. | Tom Lane |
| 2021-02-19 | Fix another ancient bug in parsing of BRE-mode regular expressions. | Tom Lane |
| 2021-01-08 | Fix ancient bug in parsing of BRE-mode regular expressions. | Tom Lane |
| 2018-05-01 | Clean up warnings from -Wimplicit-fallthrough. | Tom Lane |
| 2017-06-21 | Phase 2 of pgindent updates. | Tom Lane |
| 2017-06-21 | Initial pgindent run with pg_bsd_indent version 2.0. | Tom Lane |
| 2016-08-19 | Remove typedef celt from the regex library, along with macro NOCELT. | Tom Lane |
| 2016-02-15 | Suppress compiler warnings about useless comparison of unsigned to zero. | Tom Lane |
| 2016-02-08 | Fix some regex issues with out-of-range characters and large char ranges. | Tom Lane |
| 2015-10-30 | Implement lookbehind constraints in our regular-expression engine. | Tom Lane |
| 2015-09-16 | Sync regex code with Tcl 8.6.4. | Tom Lane |
| 2014-05-06 | pgindent run for 9.4 | Bruce Momjian |
| 2014-01-18 | Make various variables const (read-only). | Tom Lane |
| 2010-10-29 | Fix comparisons of pointers with zero to compare with NULL instead. | Tom Lane |
| 2010-09-20 | Remove cvs keywords from all files. | Magnus Hagander |
| 2009-06-11 | 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list | Bruce Momjian |
| 2008-02-14 | Sync our regex code with upstream changes since last time we did this, which | Tom Lane |
| 2008-01-03 | Fix assorted security-grade bugs in the regex engine. All of these problems | Tom Lane |
| 2007-10-22 | Add a useless return statement to suppress a warning seen with some | Tom Lane |
| 2005-10-15 | Standard pgindent run for 8.1. | Bruce Momjian |
| 2003-11-29 | $Header: -> $PostgreSQL Changes ... | PostgreSQL Daemon |
| 2003-08-08 | Another pgindent run with updated typedefs. | Bruce Momjian |
| 2003-08-04 | pgindent run. | Bruce Momjian |
| 2003-02-05 | Replace regular expression package with Henry Spencer's latest version | Tom Lane |