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Posted to j-dev@xerces.apache.org by bu...@apache.org on 2002/01/29 21:29:40 UTC

DO NOT REPLY [Bug 6110] - Regular Expressions: '.' in a Character Group

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=6110

Regular Expressions:  '.' in a Character Group

zongaro@ca.ibm.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID



------- Additional Comments From zongaro@ca.ibm.com  2002-01-29 20:29 -------
The regular expression grammar was ambiguous as originally published in 
the "XML Schema:  Datatypes" Recommendation.  A period appearing within 
brackets (i.e., '[' and ']') could be interpreted as either a MultiCharEsc or 
as a period using the original grammar.

The Schema Working Group recently published an erratum on this topic, and a 
period is now treated as a wildcard only when it appears outside of brackets.  
Within brackets, it matches only a period.

See erratum E2-10 in http://www.w3.org/2001/05/xmlschema-errata

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