regex - How to match parenthesis in StanfordNLP regexNER? -


i want use stanfordnlp regexner annotate data using dictionary lists. unfortunately not able match parenthesis within pattern in :

"iq (ma) max"

where match should either "iq" or "iq (ma) max"

i tried different regex, such 

iq(\s\(\sma\s\)\smax)?   iq(\\s\\(\\sma\\s\\)\\smax)?

but nothing worked.it matches "iq"
can help? possible @ regex?

your rule should formatted way:

iq -lrb- ma -rrb- max    entity    misc    1

if want after iq optional, think easiest thing write separate rule iq

each element of space separated list @ beginning of regexner rule regular expression matches token, if add question marks can make of tokens in pattern optional, i'm not sure there's way make them optional group or not.


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