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@mocheng

mocheng/getHost.js

Created Feb 13, 2011
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With the help of regular expression, host name can be extracted from URL string in two lines.
/**
* extract host name from URL string.
*/
function getHost(url) {
var m = url.match(/^https?:\/\/([^\/:\d]+)/);
return m && m[1];
}
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