MediaWiki:Smw allows pattern

This page is expected to contain a list of references (followed by regular expressions) and to be made available by the Allows pattern property. To edit this page, the smw-patternedit right is required.

Author notation|/^[A-Z]\d+[a-zL]{0,5}$/
DOI|/^10\..*/
ISBN|/^([0-9X]{10}|[0-9X]{13})$/
ISSN|/^\d{4}-(\d{4}|\d{3}X)$/