javascript - Match group url parameter using Regular Expression? -

javascript - Match group url parameter using Regular Expression? -

my url looks below format:

http://www.example.com/?n=abc&ntt=345999&nr=and(or(analysistechnique:acids),or(chemicalgroup:acetic%20acids))

i wanted extract nr grouping parameter value below format:

analysistechnique:acids, chemicalgroup:aceticacids

any help on this?

that work given url, should add together more info improve regex:

nr=[\w()]+[(]([\w%]+:[\w%]+)[,\w()]+[(]([\w%]+:[\w%]+)

first grouping matches analysistechnique:acids , sec grouping matches chemicalgroup:aceticacids

http://regex101.com/r/jz1ij1

javascript url