javascript - Split string by colon but ignore URL's -

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i need split string colons, ignore colons within urls presented in string. example:

var str = 'www.website.com:http://website.com/';

the result should be:

["www.website.com", "http://website.com/"]

it may lot of addresses in row.

i have tried javascript split() regex (:)(?:[^\/][^\/]) not helping much.

if use negative lookahead can filter out protocols (colons followed double slash) , ports (colons followed digit:

var str = 'www.website.com:http://website.com/:test.com:5000:test.co.uk';   var split = str.split(/:(?!\/\/|\d)/);

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