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https://issues.apache.org/jira/browse/XMLBEANS-412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12735378#action_12735378
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Radosław Ceszkiel commented on XMLBEANS-412:
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The bug XMLBEANS-224 was closed as resolved. It should not be, as the dash at
the end or at the beginning of a character range does not have to be escaped
(see
http://www.w3.org/TR/2004/REC-xmlschema-2-20041028/datatypes.html#nt-charRange,
"The - character is a valid character range only at the beginning or end of a -
positive character group- .")
The regular expression in the email example is a valid xsd regexp and should be
accepted by the XmlBeans validator..
> CLONE -Pattern facet regex requires dash - to be escaped
> --------------------------------------------------------
>
> Key: XMLBEANS-412
> URL: https://issues.apache.org/jira/browse/XMLBEANS-412
> Project: XMLBeans
> Issue Type: Bug
> Components: Validator
> Affects Versions: Version 2
> Environment: Win 2000, JDK1.5
> Reporter: Radosław Ceszkiel
> Fix For: Version 2
>
>
> Given the following xsd that should allow only a valid email address pattern:
> <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema";>
> <xsd:element name="Email" type="EmailType" />
> <xsd:simpleType name="EmailType" >
> <xsd:restriction base="xsd:token">
> <xsd:pattern
> value="([\.a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(([a-zA-Z0-9_-])*\.([a-zA-Z0-9_-])+)+"/>
> </xsd:restriction>
> </xsd:simpleType>
> </xsd:schema>
> Using the following simple xml instance:
> <Email>t...@test.com</Email>
> Running:
> validate sample.xsd sample.xml
> generates:
> Schema invalid:
> D:\sample.xsd:7: error: pattern-regex: The regular expression
> '([\.a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(([a-zA-Z0-9_-])*\.([a-zA-Z0-9_-])+)+' is
> malformed: '-' is an invalid character range. Write '\-'.
> Question: Why should I have to escape the dashes??
> Then escaping the dashes, you can actually get the schema to compile. But
> then you have a new problem. The regex does validate valid email addresses!!
> So two bugs AFAIK - shouldn't need to escape slashes. Something in the regex
> is not recognised by xmlbeans regex parser.
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