documentcloud/underscore — pull request #477 by TalAter (2012-02-16 16:34:17+00:00)
Title: Added isNumeric method

Added the _.isNumeric() method, to test if a given object is numeric.
Numeric objects are anything that isNumber() or a string that has a numerical meaning (e.g. '-12.3', '3', '-.2')

![isNumeric tests](https://img.skitch.com/20120216-rx1mrnt9sg266y1f4m399e4ijp.png)