RELAX NG by Eric van der Vlist will be published by O'Reilly & Associates (ISBN: 0596004214)
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Among the many facets available for restricting simple datatypes, the most flexible is based on regular expressions. The pattern facet can be used as a last resort when all the other facets are unable to express needed restrictions on a user-defined datatype.
![[Note]](images/note.png) | Note |
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There is a terminology clash between RELAX NG's patterns and the pattern facet of W3C XML Schema. To limit the risk of confusion we will refer to the facet as the pattern facet or "regular expression". | |
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All text is copyright Eric van der Vlist, Dyomedea. During development, I give permission for non-commercial copying for educational and review purposes. After publication, all text will be released under the Free Software Foundation GFDL.