The following bug has been logged online:
Bug reference: 4438
Logged by: Anatoli Lau
Email address: ailau(at)sharematrix(dot)com
PostgreSQL version: 8.3.3, 8.3.4
Operating system: Linux Suse 10.3
Description: regexpression gives the error by working with [
Details:
select regexp_matches('/a/b[534]', E'(.*)\[([0-9]*)\]');
always gives the error but
select regexp_matches('/a/b{534}', E'(.*)\{([0-9]*)\}');
works good, the problems comes up only when '[' used