Here's an alternative to Tracy's that I've used:
function trimString(str : String) : String
{
var startIdx = 0;
while(str.indexOf(' ',startIdx) == startIdx)
++startIdx;
var endIdx = str.length-1;
while(str.lastIndexOf(' ',endIdx) == endIdx)
--endIdx;
if (endIdx >= startIdx)
{
return str.slice(startIdx,endIdx+1);
}
else
{
return "";
}
}
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