javascript - Regex to remove spaces between '[' and ']' -


i have been breaking head on sometime now. in javascript have string expression need remove spaces between '[' , ']'.

for example expression can :-

"[first name] + [ last name ] + calculateage()"

i want become :-

"[firstname] + [lastname] + calculateage()"

i tried following stackoverflow question square brackets didn't quite there. how make regex in question, work square brackets too?

can help?

thanks, aj

if brackets balanced correctly , if never nested, can it:

result = subject.replace(/\s+(?=[^[\]]*\])/g, "");

this replaces whitespace characters if , if there ] character ahead in string no intervening [ or ] characters.

explanation:

\s+       # match whitespace characters (?=       # if it's possible match following here:  [^[\]]*  # number of characters except [ or ]  \]       # followed ]. )         # end of lookahead assertion.

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