As well asAm 07.04.2015 um 21:31 schrieb Peter Uhn��k <i.uhnak@gmail.com>:'BormParticipant' allButFirst: 4('BormParticipant' splitOn: 'Borm') lastThank you both, this will work. :)Isn't it the case that a remove* methods mostly return what has been removed? Wouldn't beIn the Moose configuration, there is a CollectionExtensions that allows you to do this:'BormParticipant' removePrefix: 'Borm' "-> 'Participant'".'BormParticipant' removeSuffix: 'Participant' "-> 'Borm'"For Pharo 5, we should move these extensions to Pharo.withoutPrefix:withoutSuffix:I guess withoutPrefix: would probably makes more sense.