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List:       xmlbeans-dev
Subject:    [jira] Commented: (XMLBEANS-412) CLONE -Pattern facet regex
From:       Radosław_Ceszkiel_(JIRA) <xmlbeans-dev () xml ! apache ! org>
Date:       2009-07-26 11:57:15
Message-ID: 366909860.1248609435222.JavaMail.jira () brutus
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    [ https://issues.apache.org/jira/browse/XMLBEANS-412?page=com.atlassian.jira.plugi \
n.system.issuetabpanels:comment-tabpanel&focusedCommentId=12735378#action_12735378 ] 

Radosław Ceszkiel commented on XMLBEANS-412:
--------------------------------------------

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>test@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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