Hi, Yes, this is a known bug that we have fixed for the next release of XSD/e: http://scm.codesynthesis.com/?p=xsde/xsde.git;a=commit;h=0ac95c0a2d6c7f8adaae4a96c2e8d8242ecd1097 It should XSDE_REGEXP instead of REGEXP. Boris