Bonjour,

Comment transformer les codes des jours comme 'J20150703' to 2015/07/03

exemple
J20150703 to 2015/07/03
J20150610 to 2015/06/10
J20150520 to 2015/05/20
J20150409 to 2015/04/09
J20150320 to 2015/03/20
J20150311 to 2015/03/11

Merci