let $n := <node>(1 + (2 * 3)) / (x)</node>,
    $cp := fn:string-to-codepoints($n/string())
    return count( $cp[. eq 40 ]  ) eq count( $cp[ . eq 41 ] )

-----------------------------------------------------------------------------
David Lee
Lead Engineer
MarkLogic Corporation
[email protected]
Phone: +1 812-482-5224
Cell:  +1 812-630-7622
www.marklogic.com<http://www.marklogic.com/>


From: [email protected] 
[mailto:[email protected]] On Behalf Of sini narayanan
Sent: Sunday, June 30, 2013 1:05 AM
To: MarkLogic Developer Discussion
Subject: [MarkLogic Dev General] check for opening and closing Parentheses 

Hi All,
How do i make sure that if a node value has 'n' opening Parentheses , it has 
equal number of closing Parentheses ?
Is there an easy way to achieve this other than checking with fn:contains?

Thanks,
Sini
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