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paulirish/gist:303720

Created February 13, 2010 23:13
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gistfile1.js
// uniqueifying strings
arr = 'group1,group2,group1,group4'.split(',');
$.map(arr, function(v,i){ return $.inArray(v,arr)!=i ? null : v });
// w regex
'group1,group2,group1,group4'.replace(/((^|,)([^,]+).*),\3(?=,|$)/g, '$1')
/by temp01
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