Hi, It ts_regex that comes with Zope 2.5.1 seems to rely on regex. Is re thread safe? Also, Plugins from ZPatterns uses ts_regex, is there a later version of Plugins that dones use it? Thanks in advance, Johan Carlsson -- Torped Strategi och Kommunikation AB Johan Carlsson -- johanc@torped.se Birkagatan 9 -- SE-113 36 Stockholm -- Sweden Phone +46-(0)8-32 31 23 -- Fax +46-(0)8-32 31 83 -- Mobil +46-(0)70-558 25 24 http://www.torped.se -- http://easypublisher.torped.se