> I am a student, i am lerning xforms now,moment i have some
> about the using of self-definition regular expression.
> i try to write some code(in attach) to use it.in meine code , i want who
> diese form must write at lest three word or nerver.so i write
> <xforms:bind nodeset="/Question/Commen_question/Suggest"
> <xsd:simpleType name="my:data">
> <xsd:restriction base="xsd:string">
> <xsd:pattern value="^$^(([^\t-]+[\t-]+)$"/>
> but it does not work.can you help me to modify it?
> Another question is, i want to addtion restrition in useing of
> control:select, that is to say, checkbox must one or two to
> leer or all fill.in my code is to select one or two system
> system.can you tell me how to do it?
> Thank you ver much for your help.
> yours Bo
> my e-mail:firstname.lastname@example.org, or email@example.com