On Tue, 13 Jul 2010 18:16:58 +0200 Stephan Bosch <step...@rename-it.nl> wrote: > As a matter of fact, I haven't looked at TRE before. I'm quite > interested though, since it is backwards compatible with POSIX and > seems to be available in most systems. I'll give it a closer look, > also in terms of compatibility with the latest draft of the Sieve > regex extension specification.
TRE has another significant advantage -- the algorithms it uses scale (for most regexes) linearly, instead of the exponential algorithms that Spencer-descended regex libraries often use. The difference in performance can be quite remarkable. -- Perry E. Metzger pe...@piermont.com