using a variable within a regexp pattern in XQuery

[Manuel Souto Pico]

Hi,

I'm a bit stuck trying to run a regexp pattern in a XQuery search file.

(1) where $record/langSet[@xml:lang="en"]/tig/term[matches(., $q)]
works
(2) where $record/langSet[@xml:lang="en"]/tig/term[matches(.,
"$q")]            doesn't work
(3) where $record/langSet[@xml:lang="en"]/tig/term[matches(.,
"^$q.*$")]         doesn't work
(4) where $record/langSet[@xml:lang="en"]/tig/term[matches(.,
"^bu.+$")]          works!

Any ideas about how I can get to use regular expressions in this query?

(4) retrieves 'bufer', 'bug' and 'bus'. If $q is 'bu', (1) retrieves as well
'attri*bu*te', 'contrast *bu*tton', etc.

Thanks a lot!

Cheers, Manuel
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