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Re: XML Schema : not empty simple type

• To: COLLARD Jean-Francois <Jean-Francois.Collard@s...>
• Subject: Re: XML Schema : not empty simple type
• From: "Nada Reinprecht" <Nada_Reinprecht@n...>
• Date: Thu, 30 May 2002 11:23:51 +1100
• Bcc:
• Cc: xml-dev@l...

Possible option for your example is use of patterns ... You can use for
example \p{L} which will require all letters in the field ... This pattern
will not allow for empty spaces or nulls in the field. On top of that you
can specify the required length of the string  {1,10}.

<simpleType name='XXX'>
    <restriction base='string'>
        <pattern value='[\p{L}]{1,10}'/>
    </restriction>
</simpleType>

Cheers,

</nada>



                                                                                                            
                    COLLARD Jean-Francois                                                                   
                    <Jean-Francois.Collard@        To:     "xml-dev@l..." <xml-dev@l...>  
                    swift.com>                     cc:                                                      
                                                   Subject:      XML Schema : not empty simple     
                    30/05/02 01:20                 type                                                     
                                                                                                            
                                                                                                            



Hi dear readers,

I'd like to specify the following with an xml schema :

- a simple type XXX with the constraint that its content cannot be empty.

It is possible to use a minLength facet :

<simpleType name='XXX'>
    <restriction base='string'>
        <minLength value='1'/>
    </restriction>
</simpleType>

But, does exist something like a "not null" specification for a simpleType
?

Moreover, in this case, is an element with all whitespace characters a
valid element ?

Thank you for your answer.

JF





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