Author Hendrik.Lemelson
Recipients Hendrik.Lemelson, ezio.melotti, mrabarnett, pitrou, tim.peters
Date 2013-02-21.08:51:10
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Thank you for clarifying this. While it still not seems really intuitive to me I can handle the behavior.

To summarize: It is not possible with re to have an optional ({0,1}) group that contains further subgroups, because re considers (0,0) to already fulfill the constraints for the outer group?
Date User Action Args
2013-02-21 08:51:10Hendrik.Lemelsonsetrecipients: + Hendrik.Lemelson, tim.peters, pitrou, ezio.melotti, mrabarnett
2013-02-21 08:51:10Hendrik.Lemelsonsetmessageid: <>
2013-02-21 08:51:10Hendrik.Lemelsonlinkissue17257 messages
2013-02-21 08:51:10Hendrik.Lemelsoncreate