Please find minutes from the above call at https://redmine.ogf.org/dmsf_files/13534?download= @Michele - please can you send to the WG a schema that shows your use of a regex in the path step of a DFDL expression ? Regards Steve Hanson Architect, IBM DFDL, Co-Chair, OGF DFDL Working Group IBM SWG, Hursley, UK smh@uk.ibm.com tel:+44-1962-815848