javascript - Parse string regex for known keys but leave separator -

javascript - Parse string regex for known keys but leave separator -

ok, nail little bit of snag trying create regex.

essentially, want string like:

error=some=new item user=max datefrom=2013-01-15t05:00:00.000z dateto=2013-01-16t05:00:00.000z

to parsed read

error=some=new item user=max datefrom=2013-01-15t05:00:00.000z ateto=2013-01-16t05:00:00.000z

so want pull known keywords, , ignore other strings have =.

my current regex looks this:

(error|user|datefrom|dateto|timefrom|timeto|hang)\=[\w\s\f\-\:]+(?![(error|user|datefrom|dateto|timefrom|timeto|hang)\=])

so i'm using known keywords used dynamically can list them beingness know.

how write include requirement?

you utilize replace so:

var input = "error=some=new item user=max datefrom=2013-01-15t05:00:00.000z dateto=2013-01-16t05:00:00.000z"; var result = input.replace(/\s*\b((?:error|user|datefrom|dateto|timefrom|timeto|hang)=)/g, "\n$1"); result = result.replace(/^\r?\n/, ""); // remove first line

result:

error=some=new item user=max datefrom=2013-01-15t05:00:00.000z dateto=2013-01-16t05:00:00.000z

javascript regex key-value