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List:       xmlbeans-dev
Subject:    [jira] Resolved: (XMLBEANS-224) Pattern facet regex requires dash - to be escaped
From:       "Peter lynch (JIRA)" <xmlbeans-dev () xml ! apache ! org>
Date:       2005-11-16 12:06:41
Message-ID: 1243322514.1132142801864.JavaMail.jira () ajax ! apache ! org
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     [ http://issues.apache.org/jira/browse/XMLBEANS-224?page=all ]
     
Peter lynch resolved XMLBEANS-224:
----------------------------------

    Fix Version: Version 2
     Resolution: Invalid

Ok sorry, I understand the error now.

The - needs to be escaped not in the range part, but the character part.

The correct regex is 

<xsd:pattern value="([\.a-zA-Z0-9_\-])+@([a-zA-Z0-9_\-])+(([a-zA-Z0-9_\-])*\.([a-zA-Z0-9_\-])+)+"/>



> Pattern facet regex requires dash - to be escaped
> -------------------------------------------------
> 
> Key: XMLBEANS-224
> URL: http://issues.apache.org/jira/browse/XMLBEANS-224
> Project: XMLBeans
> Type: Bug
> Components: Validator
> Versions: Version 2
> Environment: Win 2000, JDK1.5
> Reporter: Peter lynch
> 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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