Remove parentheses with regexp

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Giorgos Papakonstantinou
评论： Giorgos Papakonstantinou 2014-1-14
I have the following string:
a ='0.00 (578)';
How can I use regexp to retrieve what is inside the parentheses?
I have used this
regexp('0.00 (578)', '\S*\s', 'match')
but it gives me:
'0.00 '

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采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2014-1-14
编辑：Azzi Abdelmalek 2014-1-14
a ='0.00 (578)';
regexp(a,'(?<=\()[\d.]+(?=\))','match')

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